Pith Number

pith:LAOQ4QZC

pith:2019:LAOQ4QZCQSUL5VVLXWF3BMHLUN

not attested not anchored not stored refs pending

CompEngine: a self-organizing, living library of time-series data

Ben D. Fulcher, Carl H. Lubba, Nick S. Jones, Sarab S. Sethi

arxiv:1905.01042 v1 · 2019-05-03 · cs.DB · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LAOQ4QZCQSUL5VVLXWF3BMHLUN}

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	2026-05-17T23:47:07.785488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

581d0e432284a8bed6abbd8bb0b0eba361cfd90157b07dd6eb8e19131238fb45

Aliases

arxiv: 1905.01042 · arxiv_version: 1905.01042v1 · doi: 10.48550/arxiv.1905.01042 · pith_short_12: LAOQ4QZCQSUL · pith_short_16: LAOQ4QZCQSUL5VVL · pith_short_8: LAOQ4QZC

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/LAOQ4QZCQSUL5VVLXWF3BMHLUN \
  | 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: 581d0e432284a8bed6abbd8bb0b0eba361cfd90157b07dd6eb8e19131238fb45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f8458d9b9e856c4d4bcb73ec1d1b25d3fde2185a621f758b5869c3698713e27",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-05-03T06:41:21Z",
    "title_canon_sha256": "fe76221d18c1972bc832394c88da4fb1ed3d13366d22bcca0ea00811080c9c8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01042",
    "kind": "arxiv",
    "version": 1
  }
}