Pith Number

pith:OC6FT2U6

pith:2019:OC6FT2U6PLT67WAZBWNSESV2AK

not attested not anchored not stored refs pending

Classifying Types

Egbert Rijke

arxiv:1906.09435 v1 · 2019-06-22 · 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{OC6FT2U6PLT67WAZBWNSESV2AK}

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.

Cited by

2 papers in Pith

Decalf: A Directed, Effectful Cost-Aware Logical Framework

Delooping presented groups in homotopy type theory

Receipt and verification

First computed	2026-05-17T23:42:38.059881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70bc59ea9e7ae7efd8190d9b224aba029c2608f16eb12747617e3d102bbfeb25

Aliases

arxiv: 1906.09435 · arxiv_version: 1906.09435v1 · doi: 10.48550/arxiv.1906.09435 · pith_short_12: OC6FT2U6PLT6 · pith_short_16: OC6FT2U6PLT67WAZ · pith_short_8: OC6FT2U6

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/OC6FT2U6PLT67WAZBWNSESV2AK \
  | 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: 70bc59ea9e7ae7efd8190d9b224aba029c2608f16eb12747617e3d102bbfeb25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a6745f36a88a6663c9dd9ccd6b633fe6fec798a1e28b6065eed00593a806359",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-06-22T11:42:13Z",
    "title_canon_sha256": "06666dc6b656e5d833179bb0252ff29400a90c063ba548e14366b3223d9b6aad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09435",
    "kind": "arxiv",
    "version": 1
  }
}