Pith Number

pith:UDOKAAQC

pith:2010:UDOKAAQCS36HVKZLSAEPBSIIC4

not attested not anchored not stored refs pending

Perfect category-graded algebras

Ana Paula Santana, Ivan Yudin

arxiv:1003.5492 v2 · 2010-03-29 · math.CT · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDOKAAQCS36HVKZLSAEPBSIIC4}

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	2026-05-18T01:21:14.298300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0dca0020296fc7aab2b9008f0c908173aac7d95c12234edb4544c53cf3676d9

Aliases

arxiv: 1003.5492 · arxiv_version: 1003.5492v2 · doi: 10.48550/arxiv.1003.5492 · pith_short_12: UDOKAAQCS36H · pith_short_16: UDOKAAQCS36HVKZL · pith_short_8: UDOKAAQC

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/UDOKAAQCS36HVKZLSAEPBSIIC4 \
  | 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: a0dca0020296fc7aab2b9008f0c908173aac7d95c12234edb4544c53cf3676d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2349053cbd7a0c9a713a08e5247487b6d7f49290a47c2b2a4402bcc821fafa81",
    "cross_cats_sorted": [
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2010-03-29T10:46:56Z",
    "title_canon_sha256": "4f187453b5b96ebb17bcc4fd39b4d04a76b5cd6ea38be11c32eb5522b0a2e23d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5492",
    "kind": "arxiv",
    "version": 2
  }
}