Pith Number

pith:IC52GTH2

pith:2011:IC52GTH2RCTWE7HPOK2Z6NKU6Q

not attested not anchored not stored refs pending

Relating Church-Style and Curry-Style Subtyping

Adriana Compagnoni (Stevens Institute of Technology), Healfdene Goguen (Google, Inc.)

arxiv:1101.4423 v1 · 2011-01-24 · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IC52GTH2RCTWE7HPOK2Z6NKU6Q}

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	2026-05-18T04:31:11.062347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40bba34cfa88a7627cef72b59f3554f4281d7e855221f98170ba64e4cb382a42

Aliases

arxiv: 1101.4423 · arxiv_version: 1101.4423v1 · doi: 10.48550/arxiv.1101.4423 · pith_short_12: IC52GTH2RCTW · pith_short_16: IC52GTH2RCTWE7HP · pith_short_8: IC52GTH2

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/IC52GTH2RCTWE7HPOK2Z6NKU6Q \
  | 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: 40bba34cfa88a7627cef72b59f3554f4281d7e855221f98170ba64e4cb382a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf0332fa8a1b3786789d18f141c98cb59ac87b0c488c81844c40032363d4a8b",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-01-24T01:39:12Z",
    "title_canon_sha256": "deb0b9010bdb7c052cfffd4fb05eaf1ac6fe408b32d6c21c92045e81617e19a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4423",
    "kind": "arxiv",
    "version": 1
  }
}