Pith Number

pith:LHGLZKBK

pith:2012:LHGLZKBKCHKT4QT3VD2MGDRNC7

not attested not anchored not stored refs pending

Spherical geometry and integrable systems

Matteo Petrera, Yuri B. Suris

arxiv:1208.3625 v1 · 2012-08-17 · math-ph · math.DG · math.DS · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LHGLZKBKCHKT4QT3VD2MGDRNC7}

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	2026-05-18T02:56:35.509187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59ccbca82a11d53e427ba8f4c30e2d17c3a8eeaf6087d23a408faf0e3d9a1504

Aliases

arxiv: 1208.3625 · arxiv_version: 1208.3625v1 · doi: 10.48550/arxiv.1208.3625 · pith_short_12: LHGLZKBKCHKT · pith_short_16: LHGLZKBKCHKT4QT3 · pith_short_8: LHGLZKBK

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/LHGLZKBKCHKT4QT3VD2MGDRNC7 \
  | 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: 59ccbca82a11d53e427ba8f4c30e2d17c3a8eeaf6087d23a408faf0e3d9a1504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60b0c0d99ecd4d5d992778955495e5b3b0a29a4e65e2300915857a1a008e5828",
    "cross_cats_sorted": [
      "math.DG",
      "math.DS",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-08-17T15:56:51Z",
    "title_canon_sha256": "5cb13e0a955ae8bcdfffd0ea2bc63d3bfeaa017f5d0bf32ffaa68c73658faac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3625",
    "kind": "arxiv",
    "version": 1
  }
}