Pith Number

pith:4K6VETFB

pith:2015:4K6VETFBLKUUWEM7227YKALJQY

not attested not anchored not stored refs pending

Decoherence of a qubit as a diffusion on the Bloch sphere

Dariusz Chru\'sci\'nski, Katarzyna Siudzi\'nska

arxiv:1506.06292 v2 · 2015-06-20 · 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{4K6VETFBLKUUWEM7227YKALJQY}

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	2026-05-18T01:31:38.251462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2bd524ca15aa94b119fd6bf850169860e2773dce051390968b5dacdd7bf9a06

Aliases

arxiv: 1506.06292 · arxiv_version: 1506.06292v2 · doi: 10.48550/arxiv.1506.06292 · pith_short_12: 4K6VETFBLKUU · pith_short_16: 4K6VETFBLKUUWEM7 · pith_short_8: 4K6VETFB

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/4K6VETFBLKUUWEM7227YKALJQY \
  | 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: e2bd524ca15aa94b119fd6bf850169860e2773dce051390968b5dacdd7bf9a06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de1f881e37e05225535f41d9bf8e1703f605e0babc90ddbe26ce45bceb23e2f",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-06-20T20:52:00Z",
    "title_canon_sha256": "214bbfc408d5c4edb3fbeab89fd18838f6e4b72817f990c8f205b8e55e7d313e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06292",
    "kind": "arxiv",
    "version": 2
  }
}