Pith Number

pith:NJTMAARB

pith:2010:NJTMAARBMKBJIDDERK2WRTCHEN

not attested not anchored not stored refs pending

On the structure of positive maps; finite dimensional case

Wladyslaw A. Majewski

arxiv:1005.3949 v3 · 2010-05-21 · 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{NJTMAARBMKBJIDDERK2WRTCHEN}

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	2026-05-18T02:52:04.490527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a66c002216282940c648ab568cc472363a1373e399c54b2d899eae48a6fe4b7

Aliases

arxiv: 1005.3949 · arxiv_version: 1005.3949v3 · doi: 10.48550/arxiv.1005.3949 · pith_short_12: NJTMAARBMKBJ · pith_short_16: NJTMAARBMKBJIDDE · pith_short_8: NJTMAARB

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/NJTMAARBMKBJIDDERK2WRTCHEN \
  | 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: 6a66c002216282940c648ab568cc472363a1373e399c54b2d899eae48a6fe4b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1545da54880971e84a6c8088e5c6162f9857cc0d572f3f4982e549cb9eb55210",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-05-21T13:04:30Z",
    "title_canon_sha256": "1002f2fc3fb5f4b1abf637a13d277edf5b8262cee0e7f2e3e6102f8d0c3c632c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3949",
    "kind": "arxiv",
    "version": 3
  }
}