Pith Number

pith:27PO3VBD

pith:2015:27PO3VBDFN7OBPMXEQWKB53HXY

not attested not anchored not stored refs pending

Spatial database implementation of fuzzy region connection calculus for analysing the relationship of diseases

Nasser Ghadiri, Somaye Davari

arxiv:1505.04746 v2 · 2015-05-18 · cs.DB · cs.AI · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27PO3VBDFN7OBPMXEQWKB53HXY}

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	2026-05-18T00:43:30.948176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7deedd4232b7ee0bd97242ca0f767be10444bf88aeade1e3aced464a8339835

Aliases

arxiv: 1505.04746 · arxiv_version: 1505.04746v2 · doi: 10.48550/arxiv.1505.04746 · pith_short_12: 27PO3VBDFN7O · pith_short_16: 27PO3VBDFN7OBPMX · pith_short_8: 27PO3VBD

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/27PO3VBDFN7OBPMXEQWKB53HXY \
  | 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: d7deedd4232b7ee0bd97242ca0f767be10444bf88aeade1e3aced464a8339835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d45ad20c8068c70c510c7dd4de7a2e51fee21298f7f3faac289b9cc2deecf9db",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-05-18T18:13:29Z",
    "title_canon_sha256": "be8860130afd72b04ac37d8b74d06a8141b5cf206a88060514f6cbd555a0be72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04746",
    "kind": "arxiv",
    "version": 2
  }
}