Pith Number

pith:7NTPTAE5

pith:2016:7NTPTAE57JDJMT3R2IXQCNFZJR

not attested not anchored not stored refs pending

Relational lattices via duality

Luigi Santocanale (LIF)

arxiv:1602.08349 v1 · 2016-02-26 · cs.LO · cs.DB · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NTPTAE57JDJMT3R2IXQCNFZJR}

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	2026-05-18T01:19:56.263293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb66f9809dfa46964f71d22f0134b94c48fc8e4b2302e8668b933fe17ef969de

Aliases

arxiv: 1602.08349 · arxiv_version: 1602.08349v1 · doi: 10.48550/arxiv.1602.08349 · pith_short_12: 7NTPTAE57JDJ · pith_short_16: 7NTPTAE57JDJMT3R · pith_short_8: 7NTPTAE5

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/7NTPTAE57JDJMT3R2IXQCNFZJR \
  | 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: fb66f9809dfa46964f71d22f0134b94c48fc8e4b2302e8668b933fe17ef969de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80801a37937d504629bbab28ae32bbf96a8f97198ac86717fe93651fe0d5c48d",
    "cross_cats_sorted": [
      "cs.DB",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-02-26T14:42:03Z",
    "title_canon_sha256": "67f7785a4726d53e6269805262ba6c551addb5d2e5e40412c5d07f9d5a6f27f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08349",
    "kind": "arxiv",
    "version": 1
  }
}