Pith Number

pith:LYOCLDB5

pith:2019:LYOCLDB5AIAP3RSUXKLSD7UCKO

not attested not anchored not stored refs pending

First-Class Subtypes

Jeremy Yallop (University of Cambridge), Stephen Dolan (University of Cambridge)

arxiv:1905.06546 v1 · 2019-05-16 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYOCLDB5AIAP3RSUXKLSD7UCKO}

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	2026-05-17T23:46:01.939149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e1c258c3d0200fdc654ba9721fe8253ba4d61c68eb29d51d75dfe0d8eeecfb4

Aliases

arxiv: 1905.06546 · arxiv_version: 1905.06546v1 · doi: 10.48550/arxiv.1905.06546 · pith_short_12: LYOCLDB5AIAP · pith_short_16: LYOCLDB5AIAP3RSU · pith_short_8: LYOCLDB5

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/LYOCLDB5AIAP3RSUXKLSD7UCKO \
  | 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: 5e1c258c3d0200fdc654ba9721fe8253ba4d61c68eb29d51d75dfe0d8eeecfb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a7ba4db95a39c51d19bd947f63ccc98aaaa88cad53cb540c777232436a1720e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-05-16T06:12:14Z",
    "title_canon_sha256": "fe3fe0c7fe30b82fe4e71b7ff5f822e7917b573e441812238707c9b838f32cb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06546",
    "kind": "arxiv",
    "version": 1
  }
}