Pith Number

pith:QAG5J7J4

pith:2009:QAG5J7J4KKEADDKETQDA3PBD7L

not attested not anchored not stored refs pending

Non-completely positive maps: properties and applications

Christopher J. Wood

arxiv:0911.3199 v1 · 2009-11-17 · 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{QAG5J7J4KKEADDKETQDA3PBD7L}

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.

Cited by

1 paper in Pith

Surpassing thermal-state limit in thermometry via non-completely positive quantum encoding

Receipt and verification

First computed	2026-05-18T01:04:59.518375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

800dd4fd3c5288018d449c060dbc23faf9a4dfa43687103a77f69441920b8546

Aliases

arxiv: 0911.3199 · arxiv_version: 0911.3199v1 · doi: 10.48550/arxiv.0911.3199 · pith_short_12: QAG5J7J4KKEA · pith_short_16: QAG5J7J4KKEADDKE · pith_short_8: QAG5J7J4

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/QAG5J7J4KKEADDKETQDA3PBD7L \
  | 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: 800dd4fd3c5288018d449c060dbc23faf9a4dfa43687103a77f69441920b8546

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65aeff5906c348e107381ff30ae1dc0ef241baa68398ae14fbbcfff8b0bed961",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-11-17T01:25:34Z",
    "title_canon_sha256": "ac041f69c1328c7dafa793c2d58afdf67689b65dfb21a35358ac380bc9e38018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3199",
    "kind": "arxiv",
    "version": 1
  }
}