{"schema":"sb.node.v1","id":"sb:e/7d67bbd491639e16b5c47d48","kind":"entity","label":{"text":"erbb2","locale":"en"},"identity":{"anchor":"label:en:erbb2","strength":"label"},"asOf":{"knowledgeCutoff":"2026-10-23T15:03:43.007622+00:00","releaseId":"sb-676f61bea301","snapshot":"deploy b162a5100305d06d466370da038562b7cb51ebc9"},"lens":{"kind":"public"},"build":{"plane":"projected","builtFrom":["entity_graph.slim.json","entity_receipts (deploy asset)","event_graph.json","truth_records (deploy asset)","corroborated_record.json"],"rule":"node-projection.entity@v1"},"standing":{"evidence":{"supporting":23,"separatePublishers":10,"basis":"documents that mention the subject and the outlets that carried them; a mention is evidence the referent is in use, not evidence about any claim","receiptsOnTopic":{"state":"partial","share":0.261,"named":6,"of":23,"basis":"documents whose own title or summary lead names the subject, over every counted document that mentions it anywhere (the entity graph's measurement); receipts are drawn only from rows whose own title or URL names the subject (the entity graph's subject gate)","blind":["only 26% of the 23 documents measured name the subject in their own text; the rest mention it in passing, so standing.evidence.supporting overstates coverage about it"]}},"admission":{"state":"provisional","kind":"observed","kindBasis":"no-vocabulary-row","policy":"promotion (observed tier; not promoted)","reason":"seen recurring in the corpus and kept in the graph at the observation bar; not promoted into the vocabulary"},"disposition":{"state":"served","reason":"public record"},"validity":{"from":"2026-04-18","to":"2026-10-22","basis":"first and last day we saw it mentioned; not the subject's own lifetime"},"measurement":{"state":"partial","blind":["assertion coverage 0: about 100% of mentions carry no typed assertion"]}},"dimensions":{"domains":["oncology"],"activeDays":19,"assertions":{}},"up":[],"upNote":"An entity is a root: it is contained by nothing. Pan out by following R.","children":{"count":2,"byKind":{"observation":2},"items":[{"id":"sb:o/854e9526ea833d12097f7346","kind":"observation","label":"medRxiv Oncology · 2026-10-13 · Beyond ERBB2 amplification: RNA and proteomic HER2 assessment for pan-tumor treatment stratification","url":"https://www.medrxiv.org/content/10.64898/2026.10.11.26365242v1?rss=1","match":{"surface":"title","basis":"admitted by the entity graph's subject gate (title or URL); the headline names the subject as whole words (the door's on-topic test)"}},{"id":"sb:o/1bef657ed4fe3e5521d55a5a","kind":"observation","label":"Frontiers Precision Oncology · 2026-09-16 · Case Report: Dramatic response of trastuzumab rezetecan in an NSCLC patient with EGFR sensitive mutation and primary ERBB2 genetic alterations","url":"https://www.frontiersin.org/articles/10.3389/fonc.2026.1941676","match":{"surface":"title","basis":"admitted by the entity graph's subject gate (title or URL); the headline names the subject as whole words (the door's on-topic test)"}}],"cursor":null,"order":"newest first; we keep the 2 newest receipts for this entity whose own title or URL (the entity graph's subject gate) names it; each says which in match. Its other observations are counted in standing.evidence.supporting but are not addressable in v1"},"relations":{"count":8,"byKind":{"co-mentioned":8},"items":[{"kind":"relation","label":"co-mentioned with her2 (13 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/d43be2f117e2b407062c8aef"},{"kind":"relation","label":"co-mentioned with immunotherapy (12 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/aa571995c8988056669cd965"},{"kind":"relation","label":"co-mentioned with nuclear (10 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/80e3f1767ca29d6ad4a07537"},{"kind":"relation","label":"co-mentioned with egfr (9 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/0d0b69774fc1c2ccc70e660d"},{"kind":"relation","label":"co-mentioned with breast cancer (9 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/e31203ea9ef3cc7645ff3d5d"},{"kind":"relation","label":"co-mentioned with colorectal cancer (8 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/1137fbb93fe12b27423f086f"},{"kind":"relation","label":"co-mentioned with kras (8 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/079b8fc7213520efbc26287d"},{"kind":"relation","label":"co-mentioned with lung cancer (8 documents)","role":"co-mentioned","relationKind":"co-mentioned","members":2,"id":"sb:r/dbb4a5996eb82db860173f6b"}],"cursor":null,"order":"situations first, then claims (the subject's own maintained record, then site-wide corroborated clusters; each label ends with its standing), then co-mentions by shared documents, descending. Co-mentions are the ten strongest the entity graph keeps per entity"},"edge":{"state":"continues"},"links":{"rest":"/api/v1/node/e/7d67bbd491639e16b5c47d48","mcp":"traverse {\"id\":\"sb:e/7d67bbd491639e16b5c47d48\"}","page":"/entity/erbb2/"},"limits":{"levelsPerCall":1,"pageSize":10,"maxPageSize":50,"membersMax":50,"statement":"One level per call: depth is 1 and only 1, and there is no whole-graph dump. pageSize 1-50 (default 10); a page limit is a cursor, never an edge. Members are listed up to 50. At most 60 traverse calls a minute per caller (runaway-loop protection, not a meter). One knowledge cutoff is served: the deploy's."},"actions":[{"verb":"unfold","lit":true,"effect":"read","layer":"free-record","call":"traverse {\"id\":\"sb:e/7d67bbd491639e16b5c47d48\",\"level\":\"children\"}"},{"verb":"fold","lit":true,"effect":"read","layer":"free-record","call":"traverse {\"id\":\"sb:e/7d67bbd491639e16b5c47d48\"}"},{"verb":"panOut","lit":false,"effect":"read","layer":"free-record","reason":"An entity is a root: it is contained by nothing. Pan out by following R."},{"verb":"follow","lit":true,"effect":"read","layer":"free-record","call":"traverse {\"id\":\"sb:e/7d67bbd491639e16b5c47d48\",\"level\":\"relations\"}"},{"verb":"receipts","lit":false,"effect":"read","layer":"free-record","reason":"receipts are the observations below this node; unfold to reach them"},{"verb":"edge","lit":true,"effect":"read","layer":"free-record","call":"traverse {\"id\":\"sb:e/7d67bbd491639e16b5c47d48\"}"},{"verb":"asOf","lit":false,"effect":"read","layer":"free-record","reason":"v1 serves one knowledge cutoff, this deploy's; walking an earlier cutoff needs retained history, which v1 does not keep"},{"verb":"switchObserver","lit":false,"effect":"read","layer":"free-record","reason":"the public record is the same for every observer; traversal through a Watch's lens is not served in v1"},{"verb":"readOriginal","lit":false,"effect":"read","layer":"free-record","reason":"no translation is applied on this node; every label is the source's own text"},{"verb":"save","lit":false,"effect":"watch-declaration","layer":"watch","reason":"saving applies to a configured Watch; configure one around this node first (free), then save it"},{"verb":"deliver","lit":false,"effect":"watch-declaration","layer":"watch","reason":"delivery applies to a saved Watch"},{"verb":"format","lit":false,"effect":"watch-declaration","layer":"watch","reason":"output format applies to a saved Watch"},{"verb":"deltaR","lit":false,"effect":"read","layer":"watch","reason":"Delta R needs a saved Watch with a previous reading"},{"verb":"read","lit":false,"effect":"read","layer":"one-time-read","reason":"one-time Reads are not offered through this door; use ask"}]}