Pith Number

pith:W7UNT4IG

pith:2018:W7UNT4IGXBQSPMJSP5P7SN2FCP

not attested not anchored not stored refs pending

Checking Deadlock-Freedom of Parametric Component-Based Systems

Joseph Sifakis, Marius Bozga, Radu Iosif

arxiv:1805.10073 v4 · 2018-05-25 · 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{W7UNT4IGXBQSPMJSP5P7SN2FCP}

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	2026-05-17T23:53:57.671651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7e8d9f106b86127b1327f5ff9374513c4f701d49136f5011707c9bfc0b73f4d

Aliases

arxiv: 1805.10073 · arxiv_version: 1805.10073v4 · doi: 10.48550/arxiv.1805.10073 · pith_short_12: W7UNT4IGXBQS · pith_short_16: W7UNT4IGXBQSPMJS · pith_short_8: W7UNT4IG

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/W7UNT4IGXBQSPMJSP5P7SN2FCP \
  | 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: b7e8d9f106b86127b1327f5ff9374513c4f701d49136f5011707c9bfc0b73f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37fe716b4a9c182dcfd43e0d33f03f8460ab393b737c8b2ce0b2c16a0e3ac44e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-05-25T10:36:47Z",
    "title_canon_sha256": "bff1acddcea821f6d3294adc8f70af44217c230e5f7c076a9027d55b9751c00a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10073",
    "kind": "arxiv",
    "version": 4
  }
}