Pith Number

pith:E52R4KMT

pith:2016:E52R4KMTD4XU7UHBZWFG4L6N4C

not attested not anchored not stored refs pending

Computing AIC for black-box models using Generalised Degrees of Freedom: a comparison with cross-validation

Carsten F. Dormann, Severin Hauenstein, Simon N Wood

arxiv:1603.02743 v1 · 2016-03-09 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E52R4KMTD4XU7UHBZWFG4L6N4C}

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	2026-05-18T01:19:19.931542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27751e29931f2f4fd0e1cd8a6e2fcde089dfbb16b29f3146652749cf486e39ce

Aliases

arxiv: 1603.02743 · arxiv_version: 1603.02743v1 · doi: 10.48550/arxiv.1603.02743 · pith_short_12: E52R4KMTD4XU · pith_short_16: E52R4KMTD4XU7UHB · pith_short_8: E52R4KMT

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/E52R4KMTD4XU7UHBZWFG4L6N4C \
  | 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: 27751e29931f2f4fd0e1cd8a6e2fcde089dfbb16b29f3146652749cf486e39ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bffb64dddb38f9e180e7cff0e6c1d549cf72873dbd068cf903ca7952e6c8ced",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-03-09T00:01:18Z",
    "title_canon_sha256": "2540f52f44ab0f8c1cce5ee924105625482664f18c5a9bd8e38ce48e7cf911a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02743",
    "kind": "arxiv",
    "version": 1
  }
}