Pith Number

pith:W2FE2EQB

pith:2017:W2FE2EQBLPGOEBWWS6V2NW2ZZ6

not attested not anchored not stored refs pending

Discovering Reliable Approximate Functional Dependencies

Jilles Vreeken, Mario Boley, Panagiotis Mandros

arxiv:1705.09391 v2 · 2017-05-25 · cs.DB · cs.AI · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2FE2EQBLPGOEBWWS6V2NW2ZZ6}

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	2026-05-18T00:42:11.929721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b68a4d12015bcce206d697aba6db59cfb293d863911e2ed0168c7431a609a203

Aliases

arxiv: 1705.09391 · arxiv_version: 1705.09391v2 · doi: 10.48550/arxiv.1705.09391 · pith_short_12: W2FE2EQBLPGO · pith_short_16: W2FE2EQBLPGOEBWW · pith_short_8: W2FE2EQB

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/W2FE2EQBLPGOEBWWS6V2NW2ZZ6 \
  | 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: b68a4d12015bcce206d697aba6db59cfb293d863911e2ed0168c7431a609a203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95badd606cd72d804b91ab293d6ea9881492d44f8b3039fa49c009193502cf50",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-05-25T23:00:46Z",
    "title_canon_sha256": "a903515ddadceb71d8af06ada62c4522742f252fe6b7bff1b25e23d85f2261db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09391",
    "kind": "arxiv",
    "version": 2
  }
}