Pith Number

pith:DWA5YLT7

pith:2025:DWA5YLT7DH46C5JCTWY2C43BZS

not attested not anchored not stored refs pending

Remembering Yvonne Choquet-Bruhat

Thibault Damour

arxiv:2509.00597 v1 · 2025-08-30 · gr-qc · math-ph · math.MP · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWA5YLT7DH46C5JCTWY2C43BZS}

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	2026-07-05T12:02:19.419757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d81dc2e7f19f9e175229db1a17361cc8aaaab410549ee0204f1baa85765e46a

Aliases

arxiv: 2509.00597 · arxiv_version: 2509.00597v1 · doi: 10.48550/arxiv.2509.00597 · pith_short_12: DWA5YLT7DH46 · pith_short_16: DWA5YLT7DH46C5JC · pith_short_8: DWA5YLT7

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/DWA5YLT7DH46C5JCTWY2C43BZS \
  | 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: 1d81dc2e7f19f9e175229db1a17361cc8aaaab410549ee0204f1baa85765e46a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b175e488428773fdfe135b53c25671cd466cda7ee5b387a0a3cc4700b4aa5731",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.hist-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-08-30T19:35:50Z",
    "title_canon_sha256": "9688dcd4f3396e3307d3d4cfc4522303eab0c42a6a5bfa3071332ff9cd633102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00597",
    "kind": "arxiv",
    "version": 1
  }
}