Pith Number

pith:LLDTVVAF

pith:2019:LLDTVVAFDKECKNCTKVFHJD4WHL

not attested not anchored not stored refs pending

Intersection Subtyping with Constructors

CNRS, EnsL, F-69342, France), LIP, LYON Cedex 07, Olivier Laurent (Univ Lyon, UCBL

arxiv:1904.10108 v1 · 2019-04-23 · 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{LLDTVVAFDKECKNCTKVFHJD4WHL}

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	2026-05-17T23:47:55.083779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ac73ad4051a88253453554a748f963afdd990f1d3a68078f50e1d0176d60819

Aliases

arxiv: 1904.10108 · arxiv_version: 1904.10108v1 · doi: 10.48550/arxiv.1904.10108 · pith_short_12: LLDTVVAFDKEC · pith_short_16: LLDTVVAFDKECKNCT · pith_short_8: LLDTVVAF

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/LLDTVVAFDKECKNCTKVFHJD4WHL \
  | 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: 5ac73ad4051a88253453554a748f963afdd990f1d3a68078f50e1d0176d60819

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63af069791369d86b45c8a63e238305c42556d386755700152cd2b1e179d4e8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-04-23T00:54:34Z",
    "title_canon_sha256": "340efba8b49356b7265648424aba99cce60c70d2c8c16c3ae14a2e11d9f3b0f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10108",
    "kind": "arxiv",
    "version": 1
  }
}