Pith Number

pith:J7VXVQOG

pith:2012:J7VXVQOGI6ENFS4NSPWGTPVYM5

not attested not anchored not stored refs pending

A Dichotomy on the Complexity of Consistent Query Answering for Atoms with Simple Keys

Dan Suciu, Paraschos Koutris

arxiv:1212.6636 v2 · 2012-12-29 · 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{J7VXVQOGI6ENFS4NSPWGTPVYM5}

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	2026-05-18T03:02:07.489059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4feb7ac1c64788d2cb8d93ec69beb86766c45b66c5e3d6e26e20b6af60f66c4b

Aliases

arxiv: 1212.6636 · arxiv_version: 1212.6636v2 · doi: 10.48550/arxiv.1212.6636 · pith_short_12: J7VXVQOGI6EN · pith_short_16: J7VXVQOGI6ENFS4N · pith_short_8: J7VXVQOG

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/J7VXVQOGI6ENFS4NSPWGTPVYM5 \
  | 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: 4feb7ac1c64788d2cb8d93ec69beb86766c45b66c5e3d6e26e20b6af60f66c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8508e674ba568e5828611a1ba61bbf23b20acf0d10c013523f35a0694a8455da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-12-29T15:07:50Z",
    "title_canon_sha256": "73ca8c666aa0b9423cabdee1f4f4bd576015131734892e526460f4b6f4098b0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6636",
    "kind": "arxiv",
    "version": 2
  }
}