Pith Number

pith:RJZQVTOZ

pith:2011:RJZQVTOZ2AWHZNEEBOR7E6VND6

not attested not anchored not stored refs pending

An Extension of Parikh's Theorem beyond Idempotence

Maximilian Schlund, Michael Luttenberger

arxiv:1112.2864 v4 · 2011-12-13 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RJZQVTOZ2AWHZNEEBOR7E6VND6}

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	2026-05-18T03:34:35.755757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a730acdd9d02c7cb4840ba3f27aad1fa5f76c49fb8c1749ef05e6b789eeb853

Aliases

arxiv: 1112.2864 · arxiv_version: 1112.2864v4 · doi: 10.48550/arxiv.1112.2864 · pith_short_12: RJZQVTOZ2AWH · pith_short_16: RJZQVTOZ2AWHZNEE · pith_short_8: RJZQVTOZ

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/RJZQVTOZ2AWHZNEEBOR7E6VND6 \
  | 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: 8a730acdd9d02c7cb4840ba3f27aad1fa5f76c49fb8c1749ef05e6b789eeb853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800ddc27e7e06c92b2205170ee8bc6beb2a734548fc7d188333a01fa73d1c2a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-12-13T11:45:55Z",
    "title_canon_sha256": "580a747b98c38d8d2112fbf6a99158345c95316f76f9780f562831c8e7dd35b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2864",
    "kind": "arxiv",
    "version": 4
  }
}