Pith Number

pith:75C5MX2I

pith:2013:75C5MX2IADNPRZXD3KXYM2UE2W

not attested not anchored not stored refs pending

Cartan algorithm and Dirac constraints for Griffiths variational problems

Hern\'an Cendra, Santiago Capriotti

arxiv:1309.4080 v1 · 2013-09-16 · 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{75C5MX2IADNPRZXD3KXYM2UE2W}

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	2026-05-18T03:13:11.326728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff45d65f4800daf8e6e3daaf866a84d5b3e7d37c878f317530e241e198a82c36

Aliases

arxiv: 1309.4080 · arxiv_version: 1309.4080v1 · doi: 10.48550/arxiv.1309.4080 · pith_short_12: 75C5MX2IADNP · pith_short_16: 75C5MX2IADNPRZXD · pith_short_8: 75C5MX2I

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/75C5MX2IADNPRZXD3KXYM2UE2W \
  | 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: ff45d65f4800daf8e6e3daaf866a84d5b3e7d37c878f317530e241e198a82c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23460811e80fda868c8140d1ca5e6019533d56dfa0a80d48421564be5498730b",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-09-16T19:40:44Z",
    "title_canon_sha256": "f8667da60882650d53b1ebe6fd9186666da345709ac3e5f8e93ef031c265406b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4080",
    "kind": "arxiv",
    "version": 1
  }
}