Pith Number

pith:LD6NIQMI

pith:2011:LD6NIQMIIWNBV2IGWJCP6R7X2M

not attested not anchored not stored refs pending

Jancar's formal system for deciding bisimulation of first-order grammars and its non-soundness

France), G\'eraud S\'enizergues (Bordeaux

arxiv:1101.5046 v1 · 2011-01-26 · cs.FL · 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{LD6NIQMIIWNBV2IGWJCP6R7X2M}

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	2026-05-18T04:30:46.936278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58fcd44188459a1ae906b244ff47f7d32f4835f8cec1ede5df7a48267924e09c

Aliases

arxiv: 1101.5046 · arxiv_version: 1101.5046v1 · doi: 10.48550/arxiv.1101.5046 · pith_short_12: LD6NIQMIIWNB · pith_short_16: LD6NIQMIIWNBV2IG · pith_short_8: LD6NIQMI

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/LD6NIQMIIWNBV2IGWJCP6R7X2M \
  | 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: 58fcd44188459a1ae906b244ff47f7d32f4835f8cec1ede5df7a48267924e09c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9594c411458b5da5bf40b527b1080c3049aa4e20c555deba723d91f034e555c",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-01-26T12:58:46Z",
    "title_canon_sha256": "a3882a70b916d1a956b91a41a85d0478901c870b53287de47c36969b292a541e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5046",
    "kind": "arxiv",
    "version": 1
  }
}