Pith Number

pith:W56AU2QN

pith:2011:W56AU2QNTMOCLTSYTPMQHI7FBB

not attested not anchored not stored refs pending

Factorised Representations of Query Results

Dan Olteanu, Jakub Zavodny

arxiv:1104.0867 v1 · 2011-04-05 · cs.DB · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W56AU2QNTMOCLTSYTPMQHI7FBB}

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	2026-05-18T04:25:02.370069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b77c0a6a0d9b1c25ce589bd903a3e5087428905605f37b668626676244d2da3e

Aliases

arxiv: 1104.0867 · arxiv_version: 1104.0867v1 · doi: 10.48550/arxiv.1104.0867 · pith_short_12: W56AU2QNTMOC · pith_short_16: W56AU2QNTMOCLTSY · pith_short_8: W56AU2QN

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/W56AU2QNTMOCLTSYTPMQHI7FBB \
  | 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: b77c0a6a0d9b1c25ce589bd903a3e5087428905605f37b668626676244d2da3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d94e8351d086837142ddd68371361061355b2c38814433c1bb664b716cf1d3d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2011-04-05T15:09:09Z",
    "title_canon_sha256": "0361e5b0cf545cdebe9fd730126b2748688b458925b9696d51a233a0334087f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0867",
    "kind": "arxiv",
    "version": 1
  }
}