Pith Number

pith:MV345A6O

pith:2013:MV345A6OLXDMMFETG5AVE2CX65

not attested not anchored not stored refs pending

Nilpotent Completely Positive Maps

B V Rajarama Bhat, Nirupama Mallick

arxiv:1310.0591 v1 · 2013-10-02 · 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{MV345A6OLXDMMFETG5AVE2CX65}

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	2026-05-18T03:11:34.728477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6577ce83ce5dc6c614933741526857f7631fa6c4f3a49800fcca3a64342ae553

Aliases

arxiv: 1310.0591 · arxiv_version: 1310.0591v1 · doi: 10.48550/arxiv.1310.0591 · pith_short_12: MV345A6OLXDM · pith_short_16: MV345A6OLXDMMFET · pith_short_8: MV345A6O

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/MV345A6OLXDMMFETG5AVE2CX65 \
  | 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: 6577ce83ce5dc6c614933741526857f7631fa6c4f3a49800fcca3a64342ae553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c78bc48fc44aa19c1b396ff5b98479a79de54ab81eed7e8c4f527166121a62f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-10-02T06:51:03Z",
    "title_canon_sha256": "4e85df3536145d2c024940873d620351d123d1e3bf56efaef5bc927683243600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0591",
    "kind": "arxiv",
    "version": 1
  }
}