Pith Number

pith:C2OU2DV4

pith:2005:C2OU2DV42JSMJCBXO3X2UJPXWM

not attested not anchored not stored refs pending

Modelling Linear Logic Without Units (Preliminary Results)

Andrea Schalk, Dominic Hughes, Robin Houston

arxiv:math/0504037 v1 · 2005-04-03 · math.CT · cs.LO · 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{C2OU2DV42JSMJCBXO3X2UJPXWM}

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	2026-05-18T03:26:00.471514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

169d4d0ebcd264c4883776efaa25f7b333d57de11d6d662a0c04317b0f43af5c

Aliases

arxiv: math/0504037 · arxiv_version: math/0504037v1 · doi: 10.48550/arxiv.math/0504037 · pith_short_12: C2OU2DV42JSM · pith_short_16: C2OU2DV42JSMJCBX · pith_short_8: C2OU2DV4

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/C2OU2DV42JSMJCBXO3X2UJPXWM \
  | 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: 169d4d0ebcd264c4883776efaa25f7b333d57de11d6d662a0c04317b0f43af5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c73c663b49256b57f9924eeaf2e3e2fdbfd7155d04e9473237f745b304f775d",
    "cross_cats_sorted": [
      "cs.LO",
      "math.LO"
    ],
    "license": "",
    "primary_cat": "math.CT",
    "submitted_at": "2005-04-03T09:55:06Z",
    "title_canon_sha256": "fc0f52f14b867b77e07ed6ead9a22db6c15d5e02f3b3fcb6c0e46596435d5bd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504037",
    "kind": "arxiv",
    "version": 1
  }
}