Pith Number

pith:CKQIGBUV

pith:2023:CKQIGBUVPBUL57QLWTTNT53MWP

not attested not anchored not stored refs pending

Good Data, Large Data, or No Data? Comparing Three Approaches in Developing Research Aspect Classifiers for Biomedical Papers

Chieh-Yang Huang, Shreya Chandrasekhar, Ting-Hao 'Kenneth' Huang

arxiv:2306.04820 v1 · 2023-06-07 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKQIGBUVPBUL57QLWTTNT53MWP}

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	2026-07-05T06:18:42.405989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a08306957868befe0bb4e6d9f76cb3e893ff5524c069db74bdfe84c52785cf

Aliases

arxiv: 2306.04820 · arxiv_version: 2306.04820v1 · doi: 10.48550/arxiv.2306.04820 · pith_short_12: CKQIGBUVPBUL · pith_short_16: CKQIGBUVPBUL57QL · pith_short_8: CKQIGBUV

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/CKQIGBUVPBUL57QLWTTNT53MWP \
  | 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: 12a08306957868befe0bb4e6d9f76cb3e893ff5524c069db74bdfe84c52785cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f333fff3eadf05e1d1e17c783349a8924d429b9cfc4cd9ec9ee7390b76553619",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-06-07T22:56:53Z",
    "title_canon_sha256": "658b1a8a6c345a57dcaebadc8bab1dd29b22bda0387a52fb3eae5ede81d0f9b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.04820",
    "kind": "arxiv",
    "version": 1
  }
}