Pith Number

pith:FH4WFEWY

pith:2010:FH4WFEWYOE74J2EXK3CHZDOIGK

not attested not anchored not stored refs pending

A Single-Instance Incremental SAT Formulation of Proof- and Counterexample-Based Abstraction

Alan Mishchenko, Niklas Een, Nina Amla

arxiv:1008.2021 v1 · 2010-08-11 · 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{FH4WFEWYOE74J2EXK3CHZDOIGK}

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	2026-05-18T04:42:21.824909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29f96292d8713fc4e89756c47c8dc832b46b7c102274f1ba60d4c36b3ee6b1ec

Aliases

arxiv: 1008.2021 · arxiv_version: 1008.2021v1 · doi: 10.48550/arxiv.1008.2021 · pith_short_12: FH4WFEWYOE74 · pith_short_16: FH4WFEWYOE74J2EX · pith_short_8: FH4WFEWY

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/FH4WFEWYOE74J2EXK3CHZDOIGK \
  | 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: 29f96292d8713fc4e89756c47c8dc832b46b7c102274f1ba60d4c36b3ee6b1ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68b16ab225d0bd694959e3126cfccc07ff4df873d07fa19ea87e431e062782c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2010-08-11T22:10:46Z",
    "title_canon_sha256": "188bf7cd21275ee0fc9c82a342e9e6c9f083e05e19529ddce4b1e95bf864278a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2021",
    "kind": "arxiv",
    "version": 1
  }
}