Pith Number

pith:JZJ7LRWU

pith:2020:JZJ7LRWU3OTH6Z7F56NOHSU6HL

not attested not anchored not stored refs pending

CODA-19: Using a Non-Expert Crowd to Annotate Research Aspects on 10,000+ Abstracts in the COVID-19 Open Research Dataset

Chieh-Yang Huang, Chien-Kuang Cornelia Ding, C. Lee Giles, Ting-Hao 'Kenneth' Huang, Yen-Chia Hsu

arxiv:2005.02367 v5 · 2020-05-05 · cs.CL · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JZJ7LRWU3OTH6Z7F56NOHSU6HL}

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	2026-07-05T01:36:17.465694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e53f5c6d4dba67f67e5ef9ae3ca9e3ac4b63b4d65886e636928bef150788af6

Aliases

arxiv: 2005.02367 · arxiv_version: 2005.02367v5 · doi: 10.48550/arxiv.2005.02367 · pith_short_12: JZJ7LRWU3OTH · pith_short_16: JZJ7LRWU3OTH6Z7F · pith_short_8: JZJ7LRWU

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/JZJ7LRWU3OTH6Z7F56NOHSU6HL \
  | 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: 4e53f5c6d4dba67f67e5ef9ae3ca9e3ac4b63b4d65886e636928bef150788af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e2b3e20a9ad8c23eb99b7322d89147e8a18153a7b476c7faaa53d92040fa5f",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-05-05T17:51:42Z",
    "title_canon_sha256": "2203098fa8fad754b444bba857bc12549e682c1d5b18933a6d314b440ac25dd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02367",
    "kind": "arxiv",
    "version": 5
  }
}