Pith Number

pith:L3LYHSMY

pith:2015:L3LYHSMY6F7AT7ZIUIVMMRAEWG

not attested not anchored not stored refs pending

Estimating Optimal Active Learning via Model Retraining Improvement

Christoforos Anagnostopoulos, Lewis P. G. Evans, Niall M. Adams

arxiv:1502.01664 v1 · 2015-02-05 · stat.ML · 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{L3LYHSMY6F7AT7ZIUIVMMRAEWG}

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	2026-05-18T02:27:51.588061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ed783c998f17e09ff28a22ac64404b1a0527bbb753af2cc70c54ce5cb80c216

Aliases

arxiv: 1502.01664 · arxiv_version: 1502.01664v1 · doi: 10.48550/arxiv.1502.01664 · pith_short_12: L3LYHSMY6F7A · pith_short_16: L3LYHSMY6F7AT7ZI · pith_short_8: L3LYHSMY

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/L3LYHSMY6F7AT7ZIUIVMMRAEWG \
  | 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: 5ed783c998f17e09ff28a22ac64404b1a0527bbb753af2cc70c54ce5cb80c216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "759e608d9f210b73cfff072e775f43927c372b3f3724c1c22ae9ca3664661e9e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-02-05T18:13:34Z",
    "title_canon_sha256": "e52c6f4fb691194657a3455ce842532d51236512933555f79f6d77dbdb1e995f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01664",
    "kind": "arxiv",
    "version": 1
  }
}