Pith Number

pith:BRWIN56L

pith:2013:BRWIN56L7OGEPCA5MTKXDN6W65

not attested not anchored not stored refs pending

Learning and Verifying Quantified Boolean Queries by Example

Avi Silberschatz, Azza Abouzied, Christos Papadimitriou, Dana Angluin, Joseph M. Hellerstein

arxiv:1304.4303 v1 · 2013-04-16 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRWIN56L7OGEPCA5MTKXDN6W65}

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	2026-05-18T03:27:53.493082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c6c86f7cbfb8c47881d64d571b7d6f74e90e1c5f273c7463f7ca6967690cfa0

Aliases

arxiv: 1304.4303 · arxiv_version: 1304.4303v1 · doi: 10.48550/arxiv.1304.4303 · pith_short_12: BRWIN56L7OGE · pith_short_16: BRWIN56L7OGEPCA5 · pith_short_8: BRWIN56L

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/BRWIN56L7OGEPCA5MTKXDN6W65 \
  | 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: 0c6c86f7cbfb8c47881d64d571b7d6f74e90e1c5f273c7463f7ca6967690cfa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfa489e76abda38834cef2b2f6a1faaa1aa7f9b6a2859fe014ac95da2ea86bf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-04-16T00:21:25Z",
    "title_canon_sha256": "3ef63a20f213618259062742e88354a7e0f6d83ac106de1b76326f36bde8df10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4303",
    "kind": "arxiv",
    "version": 1
  }
}