Pith Number

pith:CUTX5IYK

pith:2012:CUTX5IYKPR6WCH43S6K6X4WRPY

not attested not anchored not stored refs pending

Qubit purification speed-up for three complementary continuous measurements

Howard M. Wiseman, Joshua Combes, Klaus M{\o}lmer, Rusko Ruskov

arxiv:1201.3892 v1 · 2012-01-18 · 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{CUTX5IYKPR6WCH43S6K6X4WRPY}

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	2026-05-18T03:42:33.955033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15277ea30a7c7d611f9b9795ebf2d17e0a1a6e1c9084a46db463299c48dc4a2f

Aliases

arxiv: 1201.3892 · arxiv_version: 1201.3892v1 · doi: 10.48550/arxiv.1201.3892 · pith_short_12: CUTX5IYKPR6W · pith_short_16: CUTX5IYKPR6WCH43 · pith_short_8: CUTX5IYK

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/CUTX5IYKPR6WCH43S6K6X4WRPY \
  | 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: 15277ea30a7c7d611f9b9795ebf2d17e0a1a6e1c9084a46db463299c48dc4a2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e128c0176c3a3d87c356278e8c76446dac3f2b61562ac7a8e9e3729426e886f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-01-18T19:41:34Z",
    "title_canon_sha256": "dd2b1597478a7c4fb1f06517dd17e5006a18aaa9edb7f4bebf884ff8cff10d33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3892",
    "kind": "arxiv",
    "version": 1
  }
}