Pith Number

pith:AYPXILY5

pith:2019:AYPXILY53BNC6Q7QGZBXQA36AS

not attested not anchored not stored refs pending

Domain-complete and LCS-complete spaces

Jean Goubault-Larrecq, Matthew de Brecht, Xiaodong Jia, Zhenchao Lyu

arxiv:1902.11142 v1 · 2019-02-28 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYPXILY53BNC6Q7QGZBXQA36AS}

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	2026-05-17T23:52:25.637717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

061f742f1dd85a2f43f0364378037e04b11a2306ce111833d7f099d7386660a1

Aliases

arxiv: 1902.11142 · arxiv_version: 1902.11142v1 · doi: 10.48550/arxiv.1902.11142 · pith_short_12: AYPXILY53BNC · pith_short_16: AYPXILY53BNC6Q7Q · pith_short_8: AYPXILY5

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/AYPXILY53BNC6Q7QGZBXQA36AS \
  | 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: 061f742f1dd85a2f43f0364378037e04b11a2306ce111833d7f099d7386660a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a14a0088d50072ffbf3b6d43eedb33e111d172892aed906c93d9c20d9a3bed55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-02-28T15:15:29Z",
    "title_canon_sha256": "63302afdd32198b9775f707d4ad39502014d9729267c92aa2a729bd917600c71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11142",
    "kind": "arxiv",
    "version": 1
  }
}