Pith Number

pith:5GUWQLKI

pith:2014:5GUWQLKIMWMHU6RJBXIPUF5WBT

not attested not anchored not stored refs pending

Feature Engineering for Knowledge Base Construction

Amir Abbas Sadeghian, Ce Zhang, Christopher R\'e, Feiran Wang, Jaeho Shin, Sen Wu, Zifei Shan

arxiv:1407.6439 v3 · 2014-07-24 · cs.DB · cs.CL · 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{5GUWQLKIMWMHU6RJBXIPUF5WBT}

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	2026-05-18T02:42:36.836041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9a9682d4865987a7a290dd0fa17b60cd4f4466ea3f4972170a8789c2e3627c0

Aliases

arxiv: 1407.6439 · arxiv_version: 1407.6439v3 · doi: 10.48550/arxiv.1407.6439 · pith_short_12: 5GUWQLKIMWMH · pith_short_16: 5GUWQLKIMWMHU6RJ · pith_short_8: 5GUWQLKI

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/5GUWQLKIMWMHU6RJBXIPUF5WBT \
  | 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: e9a9682d4865987a7a290dd0fa17b60cd4f4466ea3f4972170a8789c2e3627c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "987d17941f064d1d307ddb3776334681bbebb52d5e0f264cad507e62f00a866f",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-07-24T03:34:41Z",
    "title_canon_sha256": "c211760fb20ed63dfeae955e3439ccb361bc6ee28edd595b8c430c37a9d73041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6439",
    "kind": "arxiv",
    "version": 3
  }
}