Pith Number

pith:A4XWZJDI

pith:2015:A4XWZJDIPRVO6MNEH6W6IDSA5U

not attested not anchored not stored refs pending

The geodesic flow of a generic metric does not admit nontrivial integrals polynomial in momenta

Boris Kruglikov, Vladimir S. Matveev

arxiv:1510.01493 v1 · 2015-10-06 · math.DG · math-ph · math.AP · 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{A4XWZJDIPRVO6MNEH6W6IDSA5U}

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	2026-05-18T00:24:35.650099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

072f6ca4687c6aef31a43fade40e40ed0b2681b55cda0d0e3d4bb3ca21079578

Aliases

arxiv: 1510.01493 · arxiv_version: 1510.01493v1 · doi: 10.48550/arxiv.1510.01493 · pith_short_12: A4XWZJDIPRVO · pith_short_16: A4XWZJDIPRVO6MNE · pith_short_8: A4XWZJDI

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/A4XWZJDIPRVO6MNEH6W6IDSA5U \
  | 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: 072f6ca4687c6aef31a43fade40e40ed0b2681b55cda0d0e3d4bb3ca21079578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25dd9f47317b8b873d405616f33c61beee1cad9fe369331377ee3c6c3d21b933",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-10-06T09:14:26Z",
    "title_canon_sha256": "74df18d78377d3ee745a63527529c93c6f964f0baa97d93da691c22da999f9c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01493",
    "kind": "arxiv",
    "version": 1
  }
}