Pith Number

pith:56ILVS3G

pith:2015:56ILVS3GU5DTJQWFCYJ54C3HUT

not attested not anchored not stored refs pending

TimeMachine: Timeline Generation for Knowledge-Base Entities

Kevin Murphy, Safa Alai, Tim Althoff, Van Dang, Wei Zhang, Xin Luna Dong

arxiv:1502.04662 v3 · 2015-02-16 · cs.DB · 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{56ILVS3GU5DTJQWFCYJ54C3HUT}

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	2026-05-18T01:55:42.095691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef90bacb66a74734c2c51613de0b67a4c8c9f4c27fbd681b37f53f2dd04d6f11

Aliases

arxiv: 1502.04662 · arxiv_version: 1502.04662v3 · doi: 10.48550/arxiv.1502.04662 · pith_short_12: 56ILVS3GU5DT · pith_short_16: 56ILVS3GU5DTJQWF · pith_short_8: 56ILVS3G

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/56ILVS3GU5DTJQWFCYJ54C3HUT \
  | 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: ef90bacb66a74734c2c51613de0b67a4c8c9f4c27fbd681b37f53f2dd04d6f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2300ef2861a96af27f588d4a1dd5c7faead3119ef0a128fa1992761cdebba9",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-02-16T18:53:01Z",
    "title_canon_sha256": "b2d6e7531db877400e25311d90eb5785a18fa14c4fdc7d686c68b7ae3ebb3eea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04662",
    "kind": "arxiv",
    "version": 3
  }
}