Pith Number

pith:DTLDX7KH

pith:2018:DTLDX7KHKLA4R23OBFS2L4GR3K

not attested not anchored not stored refs pending

The Vadalog System: Datalog-based Reasoning for Knowledge Graphs

Emanuel Sallinger, Georg Gottlob, Luigi Bellomarini

arxiv:1807.08709 v1 · 2018-07-23 · cs.DB · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTLDX7KHKLA4R23OBFS2L4GR3K}

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	2026-05-18T00:10:04.939971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cd63bfd4752c1c8eb6e0965a5f0d1daaa90b34919a4260fd2f047cc61dc715c

Aliases

arxiv: 1807.08709 · arxiv_version: 1807.08709v1 · doi: 10.48550/arxiv.1807.08709 · pith_short_12: DTLDX7KHKLA4 · pith_short_16: DTLDX7KHKLA4R23O · pith_short_8: DTLDX7KH

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/DTLDX7KHKLA4R23OBFS2L4GR3K \
  | 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: 1cd63bfd4752c1c8eb6e0965a5f0d1daaa90b34919a4260fd2f047cc61dc715c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9149dc9e7420f3ba7e2a60af938f12aa61ba5f807700c14645698fb28a532096",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-07-23T16:38:05Z",
    "title_canon_sha256": "c49a77dda4842c484746ae55d1074ca0f1145345a29d91d3977ab59a195f37c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08709",
    "kind": "arxiv",
    "version": 1
  }
}