Pith Number

pith:CV5KBJU6

pith:1999:CV5KBJU6XVMQSJ4E7MB43HWHXB

not attested not anchored not stored refs pending

Dynamical and Topological methods in Theory of Geodesically Equivalent Metrics

Petar J. Topalov, Vladimir S. Matveev

arxiv:math/9911054 v1 · 1999-11-09 · math.DG · math.SG · math.SP · 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{CV5KBJU6XVMQSJ4E7MB43HWHXB}

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	2026-05-18T04:16:10.923697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

157aa0a69ebd59092784fb03cd9ec7b864eed053cda62e5c0dd2c4f282c666d2

Aliases

arxiv: math/9911054 · arxiv_version: math/9911054v1 · doi: 10.48550/arxiv.math/9911054 · pith_short_12: CV5KBJU6XVMQ · pith_short_16: CV5KBJU6XVMQSJ4E · pith_short_8: CV5KBJU6

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/CV5KBJU6XVMQSJ4E7MB43HWHXB \
  | 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: 157aa0a69ebd59092784fb03cd9ec7b864eed053cda62e5c0dd2c4f282c666d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72030b6ed136173f0d5b050453f977143db02269f8af316fce40f5c0da6c9a6a",
    "cross_cats_sorted": [
      "math.SG",
      "math.SP",
      "nlin.SI",
      "solv-int"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "1999-11-09T18:21:44Z",
    "title_canon_sha256": "76e021eeee7712dc1499a4ad3dc27484cfaa9b9e4b2bad6aedf617395121616d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9911054",
    "kind": "arxiv",
    "version": 1
  }
}