Pith Number

pith:5VCY3RAV

pith:2003:5VCY3RAVLKFTSTVQUYX5OKKJNJ

not attested not anchored not stored refs pending

Invariant metrics and Hamiltonian Systems

Gabriela Ovando

arxiv:math/0301332 v2 · 2003-01-28 · 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{5VCY3RAVLKFTSTVQUYX5OKKJNJ}

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	2026-05-18T04:23:32.606721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed458dc4155a8b394eb0a62fd729496a4677d50a927006651389d2f1caad65e0

Aliases

arxiv: math/0301332 · arxiv_version: math/0301332v2 · doi: 10.48550/arxiv.math/0301332 · pith_short_12: 5VCY3RAVLKFT · pith_short_16: 5VCY3RAVLKFTSTVQ · pith_short_8: 5VCY3RAV

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/5VCY3RAVLKFTSTVQUYX5OKKJNJ \
  | 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: ed458dc4155a8b394eb0a62fd729496a4677d50a927006651389d2f1caad65e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "108b67cbb6368ffc9cd1a1cef922fbbad738a751f42ead3c2eea9da7b22975a7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2003-01-28T15:03:18Z",
    "title_canon_sha256": "be5e05786f69801861aa9e64b71b445b85b499fee3b062eaaa8d162b2ebf6cac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0301332",
    "kind": "arxiv",
    "version": 2
  }
}