Pith Number

pith:6MVZU7PF

pith:2014:6MVZU7PFDUMC4JBY2JC5KCD5J5

not attested not anchored not stored refs pending

Superscars in the Seba billiard

Henrik Ueberschaer, Par Kurlberg

arxiv:1409.6878 v3 · 2014-09-24 · math.AP · math-ph · math.MP · math.NT · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MVZU7PFDUMC4JBY2JC5KCD5J5}

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	2026-05-18T01:37:05.683664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f32b9a7de51d182e2438d245d5087d4f45d8746d009c94eb67e0d8fcfba2ae30

Aliases

arxiv: 1409.6878 · arxiv_version: 1409.6878v3 · doi: 10.48550/arxiv.1409.6878 · pith_short_12: 6MVZU7PFDUMC · pith_short_16: 6MVZU7PFDUMC4JBY · pith_short_8: 6MVZU7PF

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/6MVZU7PFDUMC4JBY2JC5KCD5J5 \
  | 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: f32b9a7de51d182e2438d245d5087d4f45d8746d009c94eb67e0d8fcfba2ae30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50b4a8a0c39fa41b31ddc7ab72f3c47a6acd5f3bae42e1c3088b5344ae45deb7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.NT",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-24T09:55:59Z",
    "title_canon_sha256": "38f9bbdada5524c52888934016bf87674e793b347038c882e72ce94962e7362f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6878",
    "kind": "arxiv",
    "version": 3
  }
}