Pith Number

pith:5OUVIWAF

pith:2016:5OUVIWAFWF4NQRCOBG2BNHRZEU

not attested not anchored not stored refs pending

Towards Linear Algebra over Normalized Data

Arun Kumar, Jeffrey Naughton, Jignesh M. Patel, Lingjiao Chen

arxiv:1612.07448 v6 · 2016-12-22 · 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{5OUVIWAFWF4NQRCOBG2BNHRZEU}

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	2026-05-18T00:41:37.903870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eba9545805b178d8444e09b4169e392539617c6aecbe5b66eecfd9d917b39032

Aliases

arxiv: 1612.07448 · arxiv_version: 1612.07448v6 · doi: 10.48550/arxiv.1612.07448 · pith_short_12: 5OUVIWAFWF4N · pith_short_16: 5OUVIWAFWF4NQRCO · pith_short_8: 5OUVIWAF

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/5OUVIWAFWF4NQRCOBG2BNHRZEU \
  | 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: eba9545805b178d8444e09b4169e392539617c6aecbe5b66eecfd9d917b39032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc01560fab2ff06065e38dcc68ec25fee8eea19fbad81e2bbc3c9ee120c3b181",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-12-22T05:41:27Z",
    "title_canon_sha256": "dd125dc581814fac1efc6d0f8115ff8ed397f2a06d2db81f04b8a6c3a5f890ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07448",
    "kind": "arxiv",
    "version": 6
  }
}