Pith Number

pith:M53EM2HD

pith:2004:M53EM2HDZQUHJE2GPTYTIFLI3V

not attested not anchored not stored refs pending

Hilbert's 'World Equations' and His Vision of a Unified Science

Tilman Sauer, Ulrich Majer

arxiv:physics/0405110 v1 · 2004-05-20 · physics.hist-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M53EM2HDZQUHJE2GPTYTIFLI3V}

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	2026-05-18T01:38:08.428450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67764668e3cc287493467cf1341568dd6d1b1bd68e98901b601173096a24a59a

Aliases

arxiv: physics/0405110 · arxiv_version: physics/0405110v1 · doi: 10.48550/arxiv.physics/0405110 · pith_short_12: M53EM2HDZQUH · pith_short_16: M53EM2HDZQUHJE2G · pith_short_8: M53EM2HD

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/M53EM2HDZQUHJE2GPTYTIFLI3V \
  | 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: 67764668e3cc287493467cf1341568dd6d1b1bd68e98901b601173096a24a59a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ad93366fddd4a3dc1e72058e622c6bd6acd750ec45fc0372d06bb1e8c6b2276",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2004-05-20T22:51:02Z",
    "title_canon_sha256": "0c96529ca15f52173e2103be746028e31bc5cf585a768993065a039d75aa4ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0405110",
    "kind": "arxiv",
    "version": 1
  }
}