Pith Number

pith:DPQAGFQ7

pith:2014:DPQAGFQ7MMZ4GN2IMJD7WQ7RL5

not attested not anchored not stored refs pending

Functoriality of groupoid quantales. I

Pedro Resende

arxiv:1401.8116 v4 · 2014-01-31 · math.CT · math.OA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPQAGFQ7MMZ4GN2IMJD7WQ7RL5}

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	2026-05-18T01:29:47.128250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be003161f6333c337486247fb43f15f694ef4fc2f580d85b363799d1ddaf586

Aliases

arxiv: 1401.8116 · arxiv_version: 1401.8116v4 · doi: 10.48550/arxiv.1401.8116 · pith_short_12: DPQAGFQ7MMZ4 · pith_short_16: DPQAGFQ7MMZ4GN2I · pith_short_8: DPQAGFQ7

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/DPQAGFQ7MMZ4GN2IMJD7WQ7RL5 \
  | 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: 1be003161f6333c337486247fb43f15f694ef4fc2f580d85b363799d1ddaf586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "219a01c24a7b77d9a29d3a5d0d0d82690125273a7827fe39377a1bbec2385892",
    "cross_cats_sorted": [
      "math.OA",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2014-01-31T10:25:53Z",
    "title_canon_sha256": "f30d8a202e08da1a95ba01755bd2f0d8254d31b78eb1d12ab1e437d03bf2ba86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8116",
    "kind": "arxiv",
    "version": 4
  }
}