Pith Number

pith:4R3F2RV3

pith:2012:4R3F2RV35DD7DLGAEBYQNHQ356

not attested not anchored not stored refs pending

SMT-based Induction Methods for Timed Systems

Ilkka Niemel\"a, Roland Kindermann, Tommi Junttila

arxiv:1204.5639 v1 · 2012-04-25 · 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{4R3F2RV35DD7DLGAEBYQNHQ356}

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	2026-05-18T03:57:01.821654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4765d46bbe8c7f1acc02071069e1bef9b7bdd05371c97ff56e797e25ac06227

Aliases

arxiv: 1204.5639 · arxiv_version: 1204.5639v1 · doi: 10.48550/arxiv.1204.5639 · pith_short_12: 4R3F2RV35DD7 · pith_short_16: 4R3F2RV35DD7DLGA · pith_short_8: 4R3F2RV3

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/4R3F2RV35DD7DLGAEBYQNHQ356 \
  | 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: e4765d46bbe8c7f1acc02071069e1bef9b7bdd05371c97ff56e797e25ac06227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e542aa070dd513218a4f4b9116fcdeb0021e3995d418a3e99746d86a8c7ed29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-04-25T12:49:11Z",
    "title_canon_sha256": "cfe5f2b3e9bad55414c4c5436bd1314ef0edd17511b36087860d15542df8ae80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5639",
    "kind": "arxiv",
    "version": 1
  }
}