Pith Number

pith:ZC2ALYHU

pith:2005:ZC2ALYHUBQZYBPH3TNJXCUX45E

not attested not anchored not stored refs pending

Type Inference for Guarded Recursive Data Types

Martin Sulzmann, Peter J. Stuckey

arxiv:cs/0507037 v1 · 2005-07-14 · cs.PL · cs.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{ZC2ALYHUBQZYBPH3TNJXCUX45E}

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	2026-07-04T14:25:03.900263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8b405e0f40c3380bcfb9b537152fce90058d075ef879649ffc072bcdcd80952

Aliases

arxiv: cs/0507037 · arxiv_version: cs/0507037v1 · doi: 10.48550/arxiv.cs/0507037 · pith_short_12: ZC2ALYHUBQZY · pith_short_16: ZC2ALYHUBQZYBPH3 · pith_short_8: ZC2ALYHU

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/ZC2ALYHUBQZYBPH3TNJXCUX45E \
  | 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: c8b405e0f40c3380bcfb9b537152fce90058d075ef879649ffc072bcdcd80952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb4e3bb75f1b7866553297587232d30b3c6ffe7179ea193176d30d86c437c16c",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "",
    "primary_cat": "cs.PL",
    "submitted_at": "2005-07-14T08:58:31Z",
    "title_canon_sha256": "cb8a10c057ff52996c59b7315671827e618334477e8502862767cce88e129d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0507037",
    "kind": "arxiv",
    "version": 1
  }
}