Pith Number

pith:SIS6CS2A

pith:2010:SIS6CS2ANYF6MXK3LCGR3LA2QN

not attested not anchored not stored refs pending

Expressiveness modulo Bisimilarity of Regular Expressions with Parallel Composition (Extended Abstract)

Bas Luttik (Eindhoven University of Technology, Jos C. M. Baeten (Eindhoven University of Technology, Luxembourg), Paul van Tilburg (Eindhoven University of Technology, the Netherlands), Tim Muller (University of Luxembourg

arxiv:1011.6429 v1 · 2010-11-30 · cs.LO · 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{SIS6CS2ANYF6MXK3LCGR3LA2QN}

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	2026-05-17T23:53:36.794339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9225e14b406e0be65d5b588d1dac1a835b5ccf1bce0d9134db28d6cd4bdd5756

Aliases

arxiv: 1011.6429 · arxiv_version: 1011.6429v1 · doi: 10.48550/arxiv.1011.6429 · pith_short_12: SIS6CS2ANYF6 · pith_short_16: SIS6CS2ANYF6MXK3 · pith_short_8: SIS6CS2A

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/SIS6CS2ANYF6MXK3LCGR3LA2QN \
  | 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: 9225e14b406e0be65d5b588d1dac1a835b5ccf1bce0d9134db28d6cd4bdd5756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b60aaf5c8d6e5b858657e16b733ae6283308c44fbdd05aba9e92a4b13da1f13",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2010-11-30T01:37:35Z",
    "title_canon_sha256": "3bc2d88990d59badc7719ba2cf1a743d4e430aa823677514918868263527cc80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.6429",
    "kind": "arxiv",
    "version": 1
  }
}