Pith Number

pith:FC4HFXGO

pith:2015:FC4HFXGOF2AXWB4QGFZSWMZ3PZ

not attested not anchored not stored refs pending

Chess players' fame versus their merit

M.V. Simkin, V.P. Roychowdhury

arxiv:1505.00055 v1 · 2015-04-30 · physics.soc-ph · cs.CY · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FC4HFXGOF2AXWB4QGFZSWMZ3PZ}

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	2026-05-18T01:32:00.572659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b872dcce2e817b079031732b333b7e5f594688b1a66e437a4c9b476d5a09cd

Aliases

arxiv: 1505.00055 · arxiv_version: 1505.00055v1 · doi: 10.48550/arxiv.1505.00055 · pith_short_12: FC4HFXGOF2AX · pith_short_16: FC4HFXGOF2AXWB4Q · pith_short_8: FC4HFXGO

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/FC4HFXGOF2AXWB4QGFZSWMZ3PZ \
  | 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: 28b872dcce2e817b079031732b333b7e5f594688b1a66e437a4c9b476d5a09cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "072c71c3476773902cda0c13567e8a49f8481c8788991d5f869f27d03c6489b7",
    "cross_cats_sorted": [
      "cs.CY",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-04-30T23:10:24Z",
    "title_canon_sha256": "0a30262debcbf9edd73bc33165f13f072a76945defbaa5bfd6aaa2fc872cac17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00055",
    "kind": "arxiv",
    "version": 1
  }
}