Pith Number

pith:CED5E4S3

pith:2018:CED5E4S3IEEJYBOBNNB3L5OG3F

not attested not anchored not stored refs pending

Typed Linear Algebra for Efficient Analytical Querying

Alberto J. Proen\c{c}a, Bruno M. Ribeiro, Filipe Oliveira, Gabriel D. Fernandes, Jo\~ao M. Afonso, Jo\~ao P. Fernandes, Jos\'e N. Oliveira, Rog\'erio Pontes

arxiv:1809.00641 v1 · 2018-09-03 · 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{CED5E4S3IEEJYBOBNNB3L5OG3F}

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	2026-05-18T00:06:32.915668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1107d2725b41089c05c16b43b5f5c6d95576a559c82f439d6a756c63f2b73d71

Aliases

arxiv: 1809.00641 · arxiv_version: 1809.00641v1 · doi: 10.48550/arxiv.1809.00641 · pith_short_12: CED5E4S3IEEJ · pith_short_16: CED5E4S3IEEJYBOB · pith_short_8: CED5E4S3

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/CED5E4S3IEEJYBOBNNB3L5OG3F \
  | 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: 1107d2725b41089c05c16b43b5f5c6d95576a559c82f439d6a756c63f2b73d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5dc4c4af37d3f17e6dc3827de4535fd16601d2804b91870fd725dd27c18e537",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-09-03T16:19:55Z",
    "title_canon_sha256": "fab42a6aa048a3031a1bc7a6680990cbd5a9e3646f16eb69a9845863ebc30bf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00641",
    "kind": "arxiv",
    "version": 1
  }
}