Pith Number

pith:BAYPUXCX

pith:2014:BAYPUXCXCBWOABHY2KVIWQNYYN

not attested not anchored not stored refs pending

Geodesic and billiard flows on quadrics in pseudo-Euclidean spaces: L-A pairs and Chasles theorem

Bozidar Jovanovic, Vladimir Jovanovic

arxiv:1407.0555 v2 · 2014-07-02 · nlin.SI · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BAYPUXCXCBWOABHY2KVIWQNYYN}

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	2026-05-18T02:43:34.535034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0830fa5c57106ce004f8d2aa8b41b8c372854a17973fb0d3ce3080d6377c6bba

Aliases

arxiv: 1407.0555 · arxiv_version: 1407.0555v2 · doi: 10.48550/arxiv.1407.0555 · pith_short_12: BAYPUXCXCBWO · pith_short_16: BAYPUXCXCBWOABHY · pith_short_8: BAYPUXCX

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/BAYPUXCXCBWOABHY2KVIWQNYYN \
  | 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: 0830fa5c57106ce004f8d2aa8b41b8c372854a17973fb0d3ce3080d6377c6bba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db00ac0038778b00844c068ece25185af498ebc8c36269e373c39a70adab6922",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2014-07-02T13:24:04Z",
    "title_canon_sha256": "f1abec725aba9fb3fe7d304472726a2b0a53179aac9aad1b328b56d2a14488bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0555",
    "kind": "arxiv",
    "version": 2
  }
}