Pith Number

pith:JTN7EOWB

pith:1999:JTN7EOWBF5PRYBBR6UO6R3WWNJ

not attested not anchored not stored refs pending

Geodesic equivalence and integrability

Petar J. Topalov, Vladimir S. Matveev

arxiv:math/9911062 v1 · 1999-11-10 · math.DG · math.SG · nlin.SI · solv-int

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTN7EOWBF5PRYBBR6UO6R3WWNJ}

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	2026-05-18T01:05:32.485881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cdbf23ac12f5f1c0431f51de8eed66a7551efbecd65f52f213ac1b37fea0753

Aliases

arxiv: math/9911062 · arxiv_version: math/9911062v1 · doi: 10.48550/arxiv.math/9911062 · pith_short_12: JTN7EOWBF5PR · pith_short_16: JTN7EOWBF5PRYBBR · pith_short_8: JTN7EOWB

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/JTN7EOWBF5PRYBBR6UO6R3WWNJ \
  | 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: 4cdbf23ac12f5f1c0431f51de8eed66a7551efbecd65f52f213ac1b37fea0753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fac51724f0423c0ca02060571e93bfe3a5302e58f205e2936df5dbc6a6cdca55",
    "cross_cats_sorted": [
      "math.SG",
      "nlin.SI",
      "solv-int"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "1999-11-10T10:06:35Z",
    "title_canon_sha256": "117f377d74468ec30ebed4c50e1d8266ba754452b2bce2851c3de5874c9f9f88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9911062",
    "kind": "arxiv",
    "version": 1
  }
}