Pith Number

pith:DDDDCYJP

pith:2012:DDDDCYJP5O3IZ2U7APD2E64ODV

not attested not anchored not stored refs pending

Entropy production in open quantum systems: exactly solvable qubit models

G. R\"opke, V. G. Morozov

arxiv:1212.6135 v1 · 2012-12-26 · quant-ph · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDDDCYJP5O3IZ2U7APD2E64ODV}

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	2026-05-18T03:37:42.670658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c631612febb68cea9f03c7a27b8e1d56ae14ab602ff086f859e441aa319446

Aliases

arxiv: 1212.6135 · arxiv_version: 1212.6135v1 · doi: 10.48550/arxiv.1212.6135 · pith_short_12: DDDDCYJP5O3I · pith_short_16: DDDDCYJP5O3IZ2U7 · pith_short_8: DDDDCYJP

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/DDDDCYJP5O3IZ2U7APD2E64ODV \
  | 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: 18c631612febb68cea9f03c7a27b8e1d56ae14ab602ff086f859e441aa319446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf87d76ceda4081c80eae01c581e47ef9bcc9b1f2d6f93dc291102b397f06d8c",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-26T08:30:32Z",
    "title_canon_sha256": "c1ddb2062c5e200368517a8d1e65f2ee89b7dae637f5be1ddd76717927b5b65a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6135",
    "kind": "arxiv",
    "version": 1
  }
}