Pith Number

pith:M52HB3X5

pith:2015:M52HB3X5VABTSMEQ3KO7QDKE6H

not attested not anchored not stored refs pending

Mining and Analyzing the Future Works in Scientific Articles

Xiaojun Wan, Yue Hu

arxiv:1507.02140 v1 · 2015-07-08 · cs.DL · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M52HB3X5VABTSMEQ3KO7QDKE6H}

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	2026-05-18T01:37:08.545617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

677470eefda803393090da9df80d44f1e1021049a20a332e468a3f951f08921a

Aliases

arxiv: 1507.02140 · arxiv_version: 1507.02140v1 · doi: 10.48550/arxiv.1507.02140 · pith_short_12: M52HB3X5VABT · pith_short_16: M52HB3X5VABTSMEQ · pith_short_8: M52HB3X5

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/M52HB3X5VABTSMEQ3KO7QDKE6H \
  | 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: 677470eefda803393090da9df80d44f1e1021049a20a332e468a3f951f08921a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84c7639b983998fe302ad3ee520118bcc50fef81fda7cfd70be3e2989d0b39ae",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-07-08T13:14:38Z",
    "title_canon_sha256": "dec3092cb1590222affb65ed9f3684b300ea64f8a8ff90723f52c615522d7dee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02140",
    "kind": "arxiv",
    "version": 1
  }
}