Pith Number

pith:256I7X4E

pith:2019:256I7X4EE754LF3J7343WYERRG

not attested not anchored not stored refs pending

EventKG - the Hub of Event Knowledge on the Web - and Biographical Timeline Generation

Elena Demidova, Simon Gottschalk

arxiv:1905.08794 v1 · 2019-05-21 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{256I7X4EE754LF3J7343WYERRG}

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	2026-05-17T23:45:25.567652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77c8fdf8427fbc59769fef9bb609189ba03e5c84848204a00afe99eaefd65b9

Aliases

arxiv: 1905.08794 · arxiv_version: 1905.08794v1 · doi: 10.48550/arxiv.1905.08794 · pith_short_12: 256I7X4EE754 · pith_short_16: 256I7X4EE754LF3J · pith_short_8: 256I7X4E

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/256I7X4EE754LF3J7343WYERRG \
  | 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: d77c8fdf8427fbc59769fef9bb609189ba03e5c84848204a00afe99eaefd65b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c250e056cd7afc8bf94c13c3e25a2920a0cf5a63216e450104ac212c296277b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-05-21T15:14:34Z",
    "title_canon_sha256": "c2cf4163c7fb656a813bedbe0105b4b0cddb93c54cb65b63f73d940b0162eada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08794",
    "kind": "arxiv",
    "version": 1
  }
}