Pith Number

pith:FVENVI5U

pith:2012:FVENVI5UP3W5OI23NOBK3IPPVP

not attested not anchored not stored refs pending

Similarity and bisimilarity notions appropriate for characterizing indistinguishability in fragments of the calculus of relations

Dirk Leinders, Dirk Van Gucht, George H. L. Fletcher, Jan Van den Bussche, Marc Gyssens, Stijn Vansummeren

arxiv:1210.2688 v3 · 2012-10-09 · cs.LO · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVENVI5UP3W5OI23NOBK3IPPVP}

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	2026-05-18T02:55:20.682513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d48daa3b47eedd7235b6b82ada1efabeed547e9b531207237d503e5de6fe9a7

Aliases

arxiv: 1210.2688 · arxiv_version: 1210.2688v3 · doi: 10.48550/arxiv.1210.2688 · pith_short_12: FVENVI5UP3W5 · pith_short_16: FVENVI5UP3W5OI23 · pith_short_8: FVENVI5U

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/FVENVI5UP3W5OI23NOBK3IPPVP \
  | 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: 2d48daa3b47eedd7235b6b82ada1efabeed547e9b531207237d503e5de6fe9a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b1f1953dc08b6071e8f7f68cc566c8d5396976d5c2b9a9744a780ea489db403",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-10-09T18:48:08Z",
    "title_canon_sha256": "c40695be910c55237af2a909d72893aaae3e9576d9001e0a1e64af24abf800fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2688",
    "kind": "arxiv",
    "version": 3
  }
}