Pith Number

pith:HWSZNRKW

pith:2011:HWSZNRKWV7JRMVQFNAOBW4PVHT

not attested not anchored not stored refs pending

On Validating Boolean Optimizers

Antonio Morgado, Joao Marques-Silva

arxiv:1109.2752 v1 · 2011-09-13 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWSZNRKWV7JRMVQFNAOBW4PVHT}

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	2026-05-18T04:13:07.786805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da596c556afd3165605681c1b71f53cfcce2f4e39b4920612da9e410adca043

Aliases

arxiv: 1109.2752 · arxiv_version: 1109.2752v1 · doi: 10.48550/arxiv.1109.2752 · pith_short_12: HWSZNRKWV7JR · pith_short_16: HWSZNRKWV7JRMVQF · pith_short_8: HWSZNRKW

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/HWSZNRKWV7JRMVQFNAOBW4PVHT \
  | 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: 3da596c556afd3165605681c1b71f53cfcce2f4e39b4920612da9e410adca043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e70df63a23180bc88354953191aed03ffbf2babb49d8437cc445d85e55f739f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-09-13T11:48:32Z",
    "title_canon_sha256": "48330acd4d167c234cd4ab1da779f177527238f03deb8fc5de12a3ca4f03182b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2752",
    "kind": "arxiv",
    "version": 1
  }
}