Pith Number

pith:DPEARD5T

pith:2017:DPEARD5T644WJKURCCDUXP52KU

not attested not anchored not stored refs pending

On Desirable Semantics of Functional Dependencies over Databases with Incomplete Information

Antonio Badia, Daniel Lemire

arxiv:1703.08198 v2 · 2017-03-23 · 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{DPEARD5T644WJKURCCDUXP52KU}

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	2026-05-18T00:22:21.062991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bc8088fb3f73964aa9110874bbfba5522fbcf13c00474f9062c3791dc5a0df0

Aliases

arxiv: 1703.08198 · arxiv_version: 1703.08198v2 · doi: 10.48550/arxiv.1703.08198 · pith_short_12: DPEARD5T644W · pith_short_16: DPEARD5T644WJKUR · pith_short_8: DPEARD5T

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/DPEARD5T644WJKURCCDUXP52KU \
  | 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: 1bc8088fb3f73964aa9110874bbfba5522fbcf13c00474f9062c3791dc5a0df0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8506f1def8796c55b398fb421b3d89356d38f55f130c1aaab81128d3551590b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-03-23T18:29:03Z",
    "title_canon_sha256": "6393da8bbd19249bbcfdccc30d3bdb0946598859c2140007d49302171e9820c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08198",
    "kind": "arxiv",
    "version": 2
  }
}