Pith Number

pith:R5QNIEGM

pith:2013:R5QNIEGMBOBEG374F2TXHBQTZ6

not attested not anchored not stored refs pending

Convergence Conditions of Mixed States and their von Neumann Entropy in Continuous Quantum Measurements

Toru Fuda

arxiv:1312.2028 v1 · 2013-12-06 · math-ph · math.MP · 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{R5QNIEGMBOBEG374F2TXHBQTZ6}

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	2026-05-18T03:05:17.565004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f60d410cc0b82436ffc2ea7738613cfa95f081759003d4a5b142e9cf45b7533

Aliases

arxiv: 1312.2028 · arxiv_version: 1312.2028v1 · doi: 10.48550/arxiv.1312.2028 · pith_short_12: R5QNIEGMBOBE · pith_short_16: R5QNIEGMBOBEG374 · pith_short_8: R5QNIEGM

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/R5QNIEGMBOBEG374F2TXHBQTZ6 \
  | 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: 8f60d410cc0b82436ffc2ea7738613cfa95f081759003d4a5b142e9cf45b7533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a452e690bf521e3ee30053957df117867a0751ee9f812319bb84c8029cfd364",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-12-06T22:12:54Z",
    "title_canon_sha256": "2a1eb6a9616e058e1631e15d025e56dafdd647244efd028a615bc90c4a24c4bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2028",
    "kind": "arxiv",
    "version": 1
  }
}