Pith Number

pith:FIRWDDOF

pith:2012:FIRWDDOFAIBKRFYSQG6SL45ABX

not attested not anchored not stored refs pending

Leibniz-Dirac structures and nonconservative systems with constraints

\"Unver \c{C}ift\c{c}i

arxiv:1210.1042 v2 · 2012-10-03 · math.DG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIRWDDOFAIBKRFYSQG6SL45ABX}

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	2026-05-18T03:32:05.266826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a23618dc50202a8971281bd25f3a00df4eac9628a118046f1b2a3b0a42d86fb

Aliases

arxiv: 1210.1042 · arxiv_version: 1210.1042v2 · doi: 10.48550/arxiv.1210.1042 · pith_short_12: FIRWDDOFAIBK · pith_short_16: FIRWDDOFAIBKRFYS · pith_short_8: FIRWDDOF

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/FIRWDDOFAIBKRFYSQG6SL45ABX \
  | 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: 2a23618dc50202a8971281bd25f3a00df4eac9628a118046f1b2a3b0a42d86fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7891d11cc124a7de1f2ee8761a03d8d9a9fa5d7ef11e284c85d98600632aa0ee",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-10-03T09:22:07Z",
    "title_canon_sha256": "81af665dd1423acd9cc5cc3d02c4c016c191f65f8c22a7c0a49564b6e750fbec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1042",
    "kind": "arxiv",
    "version": 2
  }
}