Pith Number

pith:LQ7LCRRO

pith:2018:LQ7LCRROGXO4SHH2NKV4NLNWBN

not attested not anchored not stored refs pending

The Everlasting Database: Statistical Validity at a Fair Price

Blake Woodworth, Nathan Srebro, Saharon Rosset, Vitaly Feldman

arxiv:1803.04307 v3 · 2018-03-12 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQ7LCRROGXO4SHH2NKV4NLNWBN}

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	2026-05-17T23:49:43.980895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c3eb1462e35ddc91cfa6aabc6adb60b7bf48fea4f1992dce20cb2a439ee7312

Aliases

arxiv: 1803.04307 · arxiv_version: 1803.04307v3 · doi: 10.48550/arxiv.1803.04307 · pith_short_12: LQ7LCRROGXO4 · pith_short_16: LQ7LCRROGXO4SHH2 · pith_short_8: LQ7LCRRO

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/LQ7LCRROGXO4SHH2NKV4NLNWBN \
  | 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: 5c3eb1462e35ddc91cfa6aabc6adb60b7bf48fea4f1992dce20cb2a439ee7312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3975414271500599be04131eb9c2c92599868160295b56d38b40f2edb8fd340e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-12T15:22:55Z",
    "title_canon_sha256": "f1ec979b33fe23ff8db0d1ed9d67d18ad076b189601d34b7ee4b8f393bf743c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04307",
    "kind": "arxiv",
    "version": 3
  }
}