Pith Number

pith:5U4E4RVF

pith:2019:5U4E4RVFJ4C4LFRK4Y7YDIHUD6

not attested not anchored not stored refs pending

Biomedical Named Entity Recognition via Reference-Set Augmented Bootstrapping

Joel Mathew, Jos\'e Luis Ambite, Shobeir Fakhraei

arxiv:1906.00282 v1 · 2019-06-01 · cs.LG · cs.CL · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5U4E4RVFJ4C4LFRK4Y7YDIHUD6}

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	2026-05-17T23:44:27.607162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed384e46a54f05c5962ae63f81a0f41fb52f0c8a795103a18b7c622ceb15b6b5

Aliases

arxiv: 1906.00282 · arxiv_version: 1906.00282v1 · doi: 10.48550/arxiv.1906.00282 · pith_short_12: 5U4E4RVFJ4C4 · pith_short_16: 5U4E4RVFJ4C4LFRK · pith_short_8: 5U4E4RVF

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/5U4E4RVFJ4C4LFRK4Y7YDIHUD6 \
  | 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: ed384e46a54f05c5962ae63f81a0f41fb52f0c8a795103a18b7c622ceb15b6b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "118f2f0f83f0f97343babc61f2e19538bff7a520ab2b7a1eec9213da8e46a2bb",
    "cross_cats_sorted": [
      "cs.CL",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-01T20:07:11Z",
    "title_canon_sha256": "2bcd0a14c1e32ebfa36600d3f2007c91fce31dbbc996f49b2868f1c985e23f4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00282",
    "kind": "arxiv",
    "version": 1
  }
}