Pith Number

pith:UPFYC4EL

pith:2021:UPFYC4ELQ3NTXEYJMSMLU7JTKS

not attested not anchored not stored refs pending

Claim Detection in Biomedical Twitter Posts

Amelie W\"uhrl, Roman Klinger

arxiv:2104.11639 v2 · 2021-04-23 · cs.CL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPFYC4ELQ3NTXEYJMSMLU7JTKS}

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.

Cited by

1 paper in Pith

Evaluating the Performance of Large Language Models in Scientific Claim Detection and Classification

Receipt and verification

First computed	2026-07-05T02:36:50.077141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3cb81708b86db3b93096498ba7d3354ba44f5ac379a9089435aa1266b2951c9

Aliases

arxiv: 2104.11639 · arxiv_version: 2104.11639v2 · doi: 10.48550/arxiv.2104.11639 · pith_short_12: UPFYC4ELQ3NT · pith_short_16: UPFYC4ELQ3NTXEYJ · pith_short_8: UPFYC4EL

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/UPFYC4ELQ3NTXEYJMSMLU7JTKS \
  | 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: a3cb81708b86db3b93096498ba7d3354ba44f5ac379a9089435aa1266b2951c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e04c0ee0afcd29c97e86c90d1b13810ffc7afb510897e3443e5509a33252d5",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-23T14:45:31Z",
    "title_canon_sha256": "70b616b097432ec52b231dbcdfa75401932d076bca17ff79d87d2aded4ad5b63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11639",
    "kind": "arxiv",
    "version": 2
  }
}