Pith Number

pith:2CSSP3H7

pith:2019:2CSSP3H7HJVYLVE5WTKZXLONMQ

not attested not anchored not stored refs pending

Ultimate TreeAutomizer (CHC-COMP Tool Description)

Alexander Nutz (University of Freiburg), Andreas Podelski (University of Freiburg), Daniel Dietsch (University of Freiburg), Jochen Hoenicke (University of Freiburg), Matthias Heizmann (University of Freiburg)

arxiv:1907.03998 v1 · 2019-07-09 · 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{2CSSP3H7HJVYLVE5WTKZXLONMQ}

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	2026-05-17T23:41:06.062604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a527ecff3a6b85d49db4d59badcd641aa189f7635c4b351bafa638d00b35de

Aliases

arxiv: 1907.03998 · arxiv_version: 1907.03998v1 · doi: 10.48550/arxiv.1907.03998 · pith_short_12: 2CSSP3H7HJVY · pith_short_16: 2CSSP3H7HJVYLVE5 · pith_short_8: 2CSSP3H7

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/2CSSP3H7HJVYLVE5WTKZXLONMQ \
  | 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: d0a527ecff3a6b85d49db4d59badcd641aa189f7635c4b351bafa638d00b35de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cb31256cce874ac5c8c75f01060066ad0b71e5883c1228adf931a97aa43e811",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-07-09T06:02:28Z",
    "title_canon_sha256": "5734a206d43000ee7c673126689641ca39a1e5f18b13610ff87a5fa6f5a8f551"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03998",
    "kind": "arxiv",
    "version": 1
  }
}