Pith Number

pith:KFNWT575

pith:2009:KFNWT5753QM6J3NLEAR3F6TI33

not attested not anchored not stored refs pending

Cones of positive maps and their duality relations

Erling Stormer, Karol Zyczkowski, Lukasz Skowronek

arxiv:0902.4877 v1 · 2009-02-27 · quant-ph · math.OA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFNWT5753QM6J3NLEAR3F6TI33}

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	2026-05-18T02:14:38.222092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515b69f7fddc19e4edab2023b2fa68decf2ad3102577a291588d339e1f2ff66f

Aliases

arxiv: 0902.4877 · arxiv_version: 0902.4877v1 · doi: 10.48550/arxiv.0902.4877 · pith_short_12: KFNWT5753QM6 · pith_short_16: KFNWT5753QM6J3NL · pith_short_8: KFNWT575

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/KFNWT5753QM6J3NLEAR3F6TI33 \
  | 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: 515b69f7fddc19e4edab2023b2fa68decf2ad3102577a291588d339e1f2ff66f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e573a3b8192e61c96a746ee910421738d7d6bad6157dfdddca58d6e6443db28",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-27T17:41:36Z",
    "title_canon_sha256": "007e9ead55b132430d70503e77e9f75d9f33ebd5d1320becd7703c524b9cc81e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4877",
    "kind": "arxiv",
    "version": 1
  }
}