Pith Number

pith:WZNI3PMI

pith:2016:WZNI3PMIM4RK7AFFBSAM4Q33NF

not attested not anchored not stored refs pending

Axiomatizing Category Theory in Free Logic

Christoph Benzm\"uller, Dana S. Scott

arxiv:1609.01493 v5 · 2016-09-06 · cs.LO · cs.AI · math.CT · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZNI3PMIM4RK7AFFBSAM4Q33NF}

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	2026-05-18T00:03:32.743426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b65a8dbd886722af80a50c80ce437b696184554510e6c71302bfac6d1f2e70d3

Aliases

arxiv: 1609.01493 · arxiv_version: 1609.01493v5 · doi: 10.48550/arxiv.1609.01493 · pith_short_12: WZNI3PMIM4RK · pith_short_16: WZNI3PMIM4RK7AFF · pith_short_8: WZNI3PMI

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/WZNI3PMIM4RK7AFFBSAM4Q33NF \
  | 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: b65a8dbd886722af80a50c80ce437b696184554510e6c71302bfac6d1f2e70d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17c2cf9fd807f6ac4001cf9dec307c611a863464094dc3fab0699c7f6d8f5e01",
    "cross_cats_sorted": [
      "cs.AI",
      "math.CT",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-09-06T11:30:37Z",
    "title_canon_sha256": "04b4df5b86057808aefdf0b7aa0d078fed1be890242ab32ecd334d052edfc35b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01493",
    "kind": "arxiv",
    "version": 5
  }
}