Pith Number

pith:D6J2Q26S

pith:2017:D6J2Q26SZKLVIXSN72CBPQ35YT

not attested not anchored not stored refs pending

The Generalized Cross Validation Filter

Gianluigi Pillonetto, Giulio Bottegal

arxiv:1706.02495 v1 · 2017-06-08 · stat.ML · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6J2Q26SZKLVIXSN72CBPQ35YT}

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	2026-05-18T00:42:45.317576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f93a86bd2ca97545e4dfe8417c37dc4dd0d31c3efd998c6660711a85ee1d6db

Aliases

arxiv: 1706.02495 · arxiv_version: 1706.02495v1 · doi: 10.48550/arxiv.1706.02495 · pith_short_12: D6J2Q26SZKLV · pith_short_16: D6J2Q26SZKLVIXSN · pith_short_8: D6J2Q26S

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/D6J2Q26SZKLVIXSN72CBPQ35YT \
  | 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: 1f93a86bd2ca97545e4dfe8417c37dc4dd0d31c3efd998c6660711a85ee1d6db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41e7250a4fcde7b265c3c8cdde9443ba25656198109dc3d0661892c025818820",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-06-08T09:49:25Z",
    "title_canon_sha256": "56110471ba48f48392cc9596673cd38609f99bc75fb41b827cb63a8a420376f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02495",
    "kind": "arxiv",
    "version": 1
  }
}