Pith Number

pith:VDFXTIFN

pith:2013:VDFXTIFNOP6JWYGOKMZQDSADNR

not attested not anchored not stored refs pending

Model Counting of Query Expressions: Limitations of Propositional Methods

Dan Suciu, Jerry Li, Paul Beame, Sudeepa Roy

arxiv:1312.4125 v1 · 2013-12-15 · cs.DB · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDFXTIFNOP6JWYGOKMZQDSADNR}

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	2026-05-18T03:04:35.598137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8cb79a0ad73fc9b60ce533301c8036c54ac4ab9b295222946b336febcb09c6c

Aliases

arxiv: 1312.4125 · arxiv_version: 1312.4125v1 · doi: 10.48550/arxiv.1312.4125 · pith_short_12: VDFXTIFNOP6J · pith_short_16: VDFXTIFNOP6JWYGO · pith_short_8: VDFXTIFN

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/VDFXTIFNOP6JWYGOKMZQDSADNR \
  | 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: a8cb79a0ad73fc9b60ce533301c8036c54ac4ab9b295222946b336febcb09c6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80bada3d0027700f91ec3cf5fa13680187718bcbca13c35a391ce665499471e8",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-12-15T09:06:32Z",
    "title_canon_sha256": "9f06d9546d4589f96830cd5979bf76319d0f342efe1271dd17332d344702badd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4125",
    "kind": "arxiv",
    "version": 1
  }
}