Pith Number

pith:ZTNIRZMD

pith:2001:ZTNIRZMDJFZOQSFWZ7LBUFJRTC

not attested not anchored not stored refs pending

Quantum Computing of Classical Chaos: Smile of the Arnold-Schrodinger Cat

B. Georgeot, D. L. Shepelyansky (CNRS, Toulouse)

arxiv:quant-ph/0101004 v1 · 2001-01-01 · quant-ph · cond-mat · 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{ZTNIRZMDJFZOQSFWZ7LBUFJRTC}

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	2026-05-18T01:05:05.103043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccda88e5834972e848b6cfd61a153198ab4017a385004cd87fef4953f1d76c01

Aliases

arxiv: quant-ph/0101004 · arxiv_version: quant-ph/0101004v1 · doi: 10.48550/arxiv.quant-ph/0101004 · pith_short_12: ZTNIRZMDJFZO · pith_short_16: ZTNIRZMDJFZOQSFW · pith_short_8: ZTNIRZMD

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/ZTNIRZMDJFZOQSFWZ7LBUFJRTC \
  | 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: ccda88e5834972e848b6cfd61a153198ab4017a385004cd87fef4953f1d76c01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "198f95270ea6e46c63cb55dc2d5f07ce5a98557b57c097971d6c4bac868d914f",
    "cross_cats_sorted": [
      "cond-mat",
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-01-01T00:01:12Z",
    "title_canon_sha256": "69e15fbee1102178a146fbd82e5bb1e32996766f8d69f5d50f75bfb60452f42e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0101004",
    "kind": "arxiv",
    "version": 1
  }
}