Pith Number

pith:POM25MI7

pith:2009:POM25MI7WTC3MF4RPW72NO3FC6

not attested not anchored not stored refs pending

On the model of a classical relativistic particle of constant and universal mass and spin

A. Wipf, G. Schaefer, N. Markova, V. Kassandrov

arxiv:0902.3688 v2 · 2009-02-21 · hep-th · gr-qc · hep-ex · math-ph · math.MP · quant-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{POM25MI7WTC3MF4RPW72NO3FC6}

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	2026-05-18T02:14:46.613370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b99aeb11fb4c5b617917dbfa6bb6517aec0ae7a326fb3d9eb5bfb0a05cc9fa3

Aliases

arxiv: 0902.3688 · arxiv_version: 0902.3688v2 · doi: 10.48550/arxiv.0902.3688 · pith_short_12: POM25MI7WTC3 · pith_short_16: POM25MI7WTC3MF4R · pith_short_8: POM25MI7

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/POM25MI7WTC3MF4RPW72NO3FC6 \
  | 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: 7b99aeb11fb4c5b617917dbfa6bb6517aec0ae7a326fb3d9eb5bfb0a05cc9fa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8b67a866705881dc54e77a453ec6c88ba1b6c78a9790f73c2582a6d28415259",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ex",
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-02-21T11:57:55Z",
    "title_canon_sha256": "e5f0fffd206feb3efc6a8be33b0fb5fcd95fff74a8985dcca225a3d71bba0a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3688",
    "kind": "arxiv",
    "version": 2
  }
}