Pith Number

pith:L4IT4HSJ

pith:2019:L4IT4HSJ3JJMDKW6LX74EGFRLK

not attested not anchored not stored refs pending

Categorical Data Integration for Computational Science

David I. Spivak, Kristopher Brown, Ryan Wisnesky

arxiv:1903.10579 v1 · 2019-03-25 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4IT4HSJ3JJMDKW6LX74EGFRLK}

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	2026-05-17T23:50:18.415796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f113e1e49da52c1aade5dffc218b15aae8d14732891449df9b48cb26c9da723

Aliases

arxiv: 1903.10579 · arxiv_version: 1903.10579v1 · doi: 10.48550/arxiv.1903.10579 · pith_short_12: L4IT4HSJ3JJM · pith_short_16: L4IT4HSJ3JJMDKW6 · pith_short_8: L4IT4HSJ

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/L4IT4HSJ3JJMDKW6LX74EGFRLK \
  | 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: 5f113e1e49da52c1aade5dffc218b15aae8d14732891449df9b48cb26c9da723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8faafe6e92eba7d6dbd6640b16a93ec1b43644de2ef9aff630dd99a83aa3bba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-03-25T20:08:22Z",
    "title_canon_sha256": "40bc7a734e89179712a8a93fa5ded827335f9262291052eec1d78a43e1f508b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10579",
    "kind": "arxiv",
    "version": 1
  }
}