Pith Number

pith:IK3YUOOS

pith:2011:IK3YUOOST6XCEVB4NN3XOL4WYT

not attested not anchored not stored refs pending

Optimal Upper and Lower Bounds for Boolean Expressions by Dissociation

Dan Suciu, Wolfgang Gatterbauer

arxiv:1105.2813 v1 · 2011-05-13 · cs.AI · cs.DB · cs.LO

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

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	2026-05-18T02:22:00.254673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42b78a39d29fae22543c6b77772f96c4f56b9272a6136d0224e09b4aa8a7cdac

Aliases

arxiv: 1105.2813 · arxiv_version: 1105.2813v1 · doi: 10.48550/arxiv.1105.2813 · pith_short_12: IK3YUOOST6XC · pith_short_16: IK3YUOOST6XCEVB4 · pith_short_8: IK3YUOOS

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/IK3YUOOST6XCEVB4NN3XOL4WYT \
  | 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: 42b78a39d29fae22543c6b77772f96c4f56b9272a6136d0224e09b4aa8a7cdac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00d63c9b86b0c545aeb5254da001074703a6eb61f3ca448df86deaccfbaf0b39",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-05-13T19:41:45Z",
    "title_canon_sha256": "7a97dab393bdfcd3fd88c409215c64ca7501b7d5e9dff614a95e5725e7945ada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2813",
    "kind": "arxiv",
    "version": 1
  }
}