Pith Number

pith:FAHQDWTV

pith:2012:FAHQDWTV7CTBDI7N2GHREUXTHV

not attested not anchored not stored refs pending

Parametricity in an Impredicative Sort

Chantal Keller (INRIA Saclay - Ile de France, LIX), Marc Lasson (LIP)

arxiv:1209.6336 v1 · 2012-09-27 · 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{FAHQDWTV7CTBDI7N2GHREUXTHV}

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	2026-05-18T03:44:34.542821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

280f01da75f8a611a3edd18f1252f33d51bba9c8ff4747f5c956bdce335b5604

Aliases

arxiv: 1209.6336 · arxiv_version: 1209.6336v1 · doi: 10.48550/arxiv.1209.6336 · pith_short_12: FAHQDWTV7CTB · pith_short_16: FAHQDWTV7CTBDI7N · pith_short_8: FAHQDWTV

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/FAHQDWTV7CTBDI7N2GHREUXTHV \
  | 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: 280f01da75f8a611a3edd18f1252f33d51bba9c8ff4747f5c956bdce335b5604

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16b5d07009a2ebe9598df9b8801763ff6939270da0934471b31e55c2c9038d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-09-27T19:22:06Z",
    "title_canon_sha256": "f92c657764e44735899112cf8fcb71710e21628399028d65afc53399cdee0ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6336",
    "kind": "arxiv",
    "version": 1
  }
}