Pith Number

pith:6IXPBMN3

pith:2006:6IXPBMN3ZEJIPCR6H565AKS2ST

not attested not anchored not stored refs pending

Context-Sensitive Languages, Rational Graphs and Determinism

Antoine Meyer, Arnaud Carayol

arxiv:cs/0606053 v2 · 2006-06-12 · 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{6IXPBMN3ZEJIPCR6H565AKS2ST}

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	2026-05-18T00:53:03.383067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f22ef0b1bbc912878a3e3f7dd02a5a94dddd9ef016149cb3b6aac3a40633bbc1

Aliases

arxiv: cs/0606053 · arxiv_version: cs/0606053v2 · doi: 10.48550/arxiv.cs/0606053 · pith_short_12: 6IXPBMN3ZEJI · pith_short_16: 6IXPBMN3ZEJIPCR6 · pith_short_8: 6IXPBMN3

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/6IXPBMN3ZEJIPCR6H565AKS2ST \
  | 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: f22ef0b1bbc912878a3e3f7dd02a5a94dddd9ef016149cb3b6aac3a40633bbc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d58d8a54f4d5fe585492d88c9fb9ce097f89d604300f16930138862bd320437",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2006-06-12T09:35:18Z",
    "title_canon_sha256": "246b4cc2f307c34392c56048981aac2bad34f632e7ee1acb4c0d177b6f77e9ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0606053",
    "kind": "arxiv",
    "version": 2
  }
}