Pith Number

pith:BL23SLAM

pith:2013:BL23SLAMIWKXK7O2WJ3CEPVCXD

not attested not anchored not stored refs pending

Cartesian closed 2-categories and permutation equivalence in higher-order rewriting

Tom Hirschowitz (CNRS, Universit\'e de Savoie)

arxiv:1307.6318 v3 · 2013-07-24 · cs.LO · cs.PL · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BL23SLAMIWKXK7O2WJ3CEPVCXD}

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	2026-05-18T01:37:37.999081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0af5b92c0c4595757ddab276223ea2b8ec1c652f71ffa36c5ad765540b3f0fb9

Aliases

arxiv: 1307.6318 · arxiv_version: 1307.6318v3 · doi: 10.48550/arxiv.1307.6318 · pith_short_12: BL23SLAMIWKX · pith_short_16: BL23SLAMIWKXK7O2 · pith_short_8: BL23SLAM

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/BL23SLAMIWKXK7O2WJ3CEPVCXD \
  | 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: 0af5b92c0c4595757ddab276223ea2b8ec1c652f71ffa36c5ad765540b3f0fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc1554d38e370b3e27bcaa9f3e6d8ab7cc2ebfb814ceaa8a80d1f76d6eb3f522",
    "cross_cats_sorted": [
      "cs.PL",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-07-24T07:57:09Z",
    "title_canon_sha256": "eb21bbf7c850ce6fcbc587f604ce12e90f55d41517dda3dc73f6322b4256f149"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6318",
    "kind": "arxiv",
    "version": 3
  }
}