Pith Number

pith:G7EG3PPD

pith:2014:G7EG3PPDSURUV3R6SY43QGMA6V

not attested not anchored not stored refs pending

Not-quite-Hamiltonian reduction

Jedrzej Sniatycki, Larry Bates

arxiv:1412.1500 v2 · 2014-12-03 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7EG3PPDSURUV3R6SY43QGMA6V}

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	2026-05-18T01:31:46.116444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37c86dbde395234aee3e9639b81980f56c7726e3eb23eabef3c186644823e2cd

Aliases

arxiv: 1412.1500 · arxiv_version: 1412.1500v2 · doi: 10.48550/arxiv.1412.1500 · pith_short_12: G7EG3PPDSURU · pith_short_16: G7EG3PPDSURUV3R6 · pith_short_8: G7EG3PPD

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/G7EG3PPDSURUV3R6SY43QGMA6V \
  | 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: 37c86dbde395234aee3e9639b81980f56c7726e3eb23eabef3c186644823e2cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85f3e6364f02d2f52ee146c1822794c94974ce202040120194bde0f21689dbc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-12-03T21:42:15Z",
    "title_canon_sha256": "680a8c0d18578360a556bf3bcf06bfc84067b26910a4c6fa461461452036052a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1500",
    "kind": "arxiv",
    "version": 2
  }
}