Pith Number

pith:7QICUP2S

pith:2018:7QICUP2SNTUIKJR4AB7WWYLOLP

not attested not anchored not stored refs pending

A General Framework for Relational Parametricity

Kristina Sojakova, Patricia Johann

arxiv:1805.00067 v3 · 2018-04-30 · cs.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{7QICUP2SNTUIKJR4AB7WWYLOLP}

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	2026-05-18T00:16:13.763342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc102a3f526ce885263c007f6b616e5bf586270c0f18e9d46b98583310929fe4

Aliases

arxiv: 1805.00067 · arxiv_version: 1805.00067v3 · doi: 10.48550/arxiv.1805.00067 · pith_short_12: 7QICUP2SNTUI · pith_short_16: 7QICUP2SNTUIKJR4 · pith_short_8: 7QICUP2S

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/7QICUP2SNTUIKJR4AB7WWYLOLP \
  | 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: fc102a3f526ce885263c007f6b616e5bf586270c0f18e9d46b98583310929fe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b70418a070f34763d099767121bbb852161cf45c3d89eff9899be0ab72f8425e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-30T19:14:39Z",
    "title_canon_sha256": "5cf31e977d589d615325791a7716d0f2fd5622968bfbbaba3412a219e4ba3bd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00067",
    "kind": "arxiv",
    "version": 3
  }
}