Pith Number

pith:YWKJLAFA

pith:2012:YWKJLAFAURF4PHWVTHIBT2ONIT

not attested not anchored not stored refs pending

The lambda-mu-T-calculus

Herman Geuvers, James McKinna, Robbert Krebbers

arxiv:1204.0347 v1 · 2012-04-02 · 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{YWKJLAFAURF4PHWVTHIBT2ONIT}

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	2026-05-18T03:41:29.394883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5949580a0a44bc79ed599d019e9cd44d700375dcec8004284b0de149c2f039f

Aliases

arxiv: 1204.0347 · arxiv_version: 1204.0347v1 · doi: 10.48550/arxiv.1204.0347 · pith_short_12: YWKJLAFAURF4 · pith_short_16: YWKJLAFAURF4PHWV · pith_short_8: YWKJLAFA

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/YWKJLAFAURF4PHWVTHIBT2ONIT \
  | 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: c5949580a0a44bc79ed599d019e9cd44d700375dcec8004284b0de149c2f039f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eea938dd627b230bf1b839a7b4028c21ab9bbe901db36853889f7ebbed13193",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-04-02T08:59:13Z",
    "title_canon_sha256": "984779f5ef51ad97d1e0ea687261812dfe3d45808ac9de3cc47d4e16fdd7693e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0347",
    "kind": "arxiv",
    "version": 1
  }
}