Pith Number

pith:7GNCVQE4

pith:2008:7GNCVQE4VPFK45T4SBNQFFEOLX

not attested not anchored not stored refs pending

Doubly excited ferromagnetic spin-chain as a pair of coupled kicked rotors

K. Kudo, T. Boness, T.S. Monteiro

arxiv:0810.0454 v3 · 2008-10-02 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GNCVQE4VPFK45T4SBNQFFEOLX}

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	2026-05-18T03:24:09.584426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99a2ac09cabcaae767c905b02948e5dd21cba50c763587ad2e8cd64fb9ba8fd

Aliases

arxiv: 0810.0454 · arxiv_version: 0810.0454v3 · doi: 10.48550/arxiv.0810.0454 · pith_short_12: 7GNCVQE4VPFK · pith_short_16: 7GNCVQE4VPFK45T4 · pith_short_8: 7GNCVQE4

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/7GNCVQE4VPFK45T4SBNQFFEOLX \
  | 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: f99a2ac09cabcaae767c905b02948e5dd21cba50c763587ad2e8cd64fb9ba8fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20787e0e1ad3a66294ee6b47d70130e97fd37516da9922592d773f4f90215943",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-02T15:37:38Z",
    "title_canon_sha256": "8e7a5ce4996437084f13861befce9a29f969583deec3f3d090935af20afb5b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0454",
    "kind": "arxiv",
    "version": 3
  }
}