Pith Number

pith:DUQDL3WT

pith:2021:DUQDL3WTVWKITKRJYHL2OBTOQT

not attested not anchored not stored refs pending

Toward Effective Automated Content Analysis via Crowdsourcing

Chau-Wai Wong, Jiele Wu, Xianpeng Liu, Xinyan Zhao

arxiv:2101.04615 v2 · 2021-01-12 · cs.CL · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUQDL3WTVWKITKRJYHL2OBTOQT}

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	2026-07-05T02:28:55.092492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d2035eed3ad9489aa29c1d7a7066e84e8a22fa7e68754b0f67697d4e38d71e8

Aliases

arxiv: 2101.04615 · arxiv_version: 2101.04615v2 · doi: 10.48550/arxiv.2101.04615 · pith_short_12: DUQDL3WTVWKI · pith_short_16: DUQDL3WTVWKITKRJ · pith_short_8: DUQDL3WT

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/DUQDL3WTVWKITKRJYHL2OBTOQT \
  | 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: 1d2035eed3ad9489aa29c1d7a7066e84e8a22fa7e68754b0f67697d4e38d71e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bf986a5563eacceb77b6c6c2475d1578d453fd1a02bd2de1d031b1d67e70131",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-01-12T17:14:18Z",
    "title_canon_sha256": "b7a41b1385de4f32efdafb044db0bbb7089802e99cf473abb5b36f5ebf35dd6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04615",
    "kind": "arxiv",
    "version": 2
  }
}