Pith Number

pith:RPHQPDVN

pith:2007:RPHQPDVNOREKNVHEZBZD64K32A

not attested not anchored not stored refs pending

A Finite Semantics of Simply-Typed Lambda Terms for Infinite Runs of<br> Automata

Klaus Aehlig

arxiv:0706.2076 v3 · 2007-06-14 · 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{RPHQPDVNOREKNVHEZBZD64K32A}

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	2026-05-18T01:37:42.733914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bcf078ead7448a6d4e4c8723f715bd00d820ce0bd9dd1403123a3ae41bd469e

Aliases

arxiv: 0706.2076 · arxiv_version: 0706.2076v3 · doi: 10.48550/arxiv.0706.2076 · pith_short_12: RPHQPDVNOREK · pith_short_16: RPHQPDVNOREKNVHE · pith_short_8: RPHQPDVN

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/RPHQPDVNOREKNVHEZBZD64K32A \
  | 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: 8bcf078ead7448a6d4e4c8723f715bd00d820ce0bd9dd1403123a3ae41bd469e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cf617762484bd2c735f12971ec695d479ed02c189ec11c445f6d5381713807a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2007-06-14T09:57:27Z",
    "title_canon_sha256": "4c0c0ea5b64fffce5b9a3cf19be5a8a63f0d76ab21573997bfb851f8086203be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2076",
    "kind": "arxiv",
    "version": 3
  }
}