Pith Number

pith:SX3JHEU3

pith:2003:SX3JHEU32A6FPGYUPQCPUQDQ2H

not attested not anchored not stored refs pending

Quantum Dynamical Entropy of Spin Systems

Masanori Ohya, Takayuki Miyadera

arxiv:quant-ph/0312002 v2 · 2003-11-29 · 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{SX3JHEU32A6FPGYUPQCPUQDQ2H}

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	2026-05-18T01:37:58.888596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95f693929bd03c579b147c04fa4070d1f1c3f29b27c4fa28ef19462e96b763e4

Aliases

arxiv: quant-ph/0312002 · arxiv_version: quant-ph/0312002v2 · doi: 10.48550/arxiv.quant-ph/0312002 · pith_short_12: SX3JHEU32A6F · pith_short_16: SX3JHEU32A6FPGYU · pith_short_8: SX3JHEU3

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/SX3JHEU32A6FPGYUPQCPUQDQ2H \
  | 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: 95f693929bd03c579b147c04fa4070d1f1c3f29b27c4fa28ef19462e96b763e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41739c0f9ad6f888d3d1a76672231690e3b8007f307d220460868c7981f9f26",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-11-29T06:37:22Z",
    "title_canon_sha256": "5c3edd17c59593dd5f6f2e4c08bb297a9374a2ba6ba581c5f77373cf669ed1b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0312002",
    "kind": "arxiv",
    "version": 2
  }
}