Pith Number

pith:QW6EAPZG

pith:2008:QW6EAPZG6II6WWLAYBAGOJFQ2B

not attested not anchored not stored refs pending

Superscars in billiards -- A model for doorway states in quantum spectra

A. Richter, M. Miski-Oglu, S. {\AA}berg, T. Guhr

arxiv:0805.2345 v1 · 2008-05-15 · 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{QW6EAPZG6II6WWLAYBAGOJFQ2B}

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	2026-05-18T01:08:45.113878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85bc403f26f211eb5960c0406724b0d0745d5dab9fc95f3c05ec0150a1d83b3f

Aliases

arxiv: 0805.2345 · arxiv_version: 0805.2345v1 · doi: 10.48550/arxiv.0805.2345 · pith_short_12: QW6EAPZG6II6 · pith_short_16: QW6EAPZG6II6WWLA · pith_short_8: QW6EAPZG

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/QW6EAPZG6II6WWLAYBAGOJFQ2B \
  | 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: 85bc403f26f211eb5960c0406724b0d0745d5dab9fc95f3c05ec0150a1d83b3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "313d7958cd7e5fac49b5c1b7751ac5a355d952899536dfa1089574b07adf7b7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2008-05-15T15:56:40Z",
    "title_canon_sha256": "17852a7ed601c3ff994ab161b7dd7ff74ff16de9217eca0222bac362eb123b7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2345",
    "kind": "arxiv",
    "version": 1
  }
}