Pith Number

pith:Y6Z24WHX

pith:2009:Y6Z24WHXUDF2LDQUY5IGW5F5EO

not attested not anchored not stored refs pending

Abstract Interpretation for Probabilistic Termination of Biological Systems

Francesca Levi (Dipartimento di informatica, Pisa), Pisa.), Roberta Gori (Dipartimento di informatica

arxiv:0911.4988 v1 · 2009-11-26 · cs.LO · cs.CE · cs.FL · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6Z24WHXUDF2LDQUY5IGW5F5EO}

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	2026-07-04T17:16:42.043051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7b3ae58f7a0cba58e14c7506b74bd2388b6c07598ce789ab36d6ed2dc8f18fe

Aliases

arxiv: 0911.4988 · arxiv_version: 0911.4988v1 · doi: 10.48550/arxiv.0911.4988 · pith_short_12: Y6Z24WHXUDF2 · pith_short_16: Y6Z24WHXUDF2LDQU · pith_short_8: Y6Z24WHX

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/Y6Z24WHXUDF2LDQUY5IGW5F5EO \
  | 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: c7b3ae58f7a0cba58e14c7506b74bd2388b6c07598ce789ab36d6ed2dc8f18fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d504902eec1dfa61f442bfe7f5cc01325a7acbd313223b634072150fba93d56c",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.FL",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2009-11-26T00:36:03Z",
    "title_canon_sha256": "d088643c3860114ab3e37d522032618cec001cb1b7819767431476adea2718c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4988",
    "kind": "arxiv",
    "version": 1
  }
}