Pith Number

pith:CGSZ7RST

pith:2009:CGSZ7RST4PBHLUJJQZACFLIRWB

not attested not anchored not stored refs pending

Geometry of quantum states: new construction of positive maps

Andrzej Kossakowski, Dariusz Chruscinski

arxiv:0902.0885 v1 · 2009-02-05 · 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{CGSZ7RST4PBHLUJJQZACFLIRWB}

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

Deep Learning for Absorption-Image Analysis

Receipt and verification

First computed	2026-05-18T02:14:49.179093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11a59fc653e3c275d129864022ad11b04e0215b0a8320a660545440670340832

Aliases

arxiv: 0902.0885 · arxiv_version: 0902.0885v1 · doi: 10.48550/arxiv.0902.0885 · pith_short_12: CGSZ7RST4PBH · pith_short_16: CGSZ7RST4PBHLUJJ · pith_short_8: CGSZ7RST

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/CGSZ7RST4PBHLUJJQZACFLIRWB \
  | 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: 11a59fc653e3c275d129864022ad11b04e0215b0a8320a660545440670340832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60624198400c0c458dbf7805c09a0ac8054410fd0f52513f5504383b41a2ca7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-05T11:29:32Z",
    "title_canon_sha256": "262f3191d70965f354abc12d081020c86414dce1d882fd4b2204ecb96fc06f1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0885",
    "kind": "arxiv",
    "version": 1
  }
}