Pith Number

pith:SAYTCB2C

pith:2022:SAYTCB2CNQFTR7DMM237KYBYJY

not attested not anchored not stored refs pending

Distantly supervised end-to-end medical entity extraction from electronic health records with human-level quality

Alexander Nesterov, Dmitry Umerenkov

arxiv:2201.10463 v1 · 2022-01-25 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAYTCB2CNQFTR7DMM237KYBYJY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:51:19.479675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90313107426c0b38fc6c66b7f560384e174c38969bf8073c546284a47984f1b0

Aliases

arxiv: 2201.10463 · arxiv_version: 2201.10463v1 · doi: 10.48550/arxiv.2201.10463 · pith_short_12: SAYTCB2CNQFT · pith_short_16: SAYTCB2CNQFTR7DM · pith_short_8: SAYTCB2C

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SAYTCB2CNQFTR7DMM237KYBYJY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 90313107426c0b38fc6c66b7f560384e174c38969bf8073c546284a47984f1b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98c47eee9081ab89b927a6c8915f9186a74a1cbc4783f1a5614af2b7b15f9b84",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-01-25T17:04:46Z",
    "title_canon_sha256": "ffbf9bd6404f8b6aeaa8257ea4ee785c2f0d3442f33f5001a59f3943c9a07f88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.10463",
    "kind": "arxiv",
    "version": 1
  }
}