Pith Number

pith:ICNWYEBF

pith:2010:ICNWYEBFA4XBL6WJ4U77ZEQVBG

not attested not anchored not stored refs pending

Freezing and Sleeping: Tracking Experts that Learn by Evolving Past Posteriors

Tim van Erven, Wouter M. Koolen

arxiv:1008.4654 v1 · 2010-08-27 · 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{ICNWYEBFA4XBL6WJ4U77ZEQVBG}

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	2026-05-18T04:41:44.550829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

409b6c1025072e15fac9e53ffc921509ae1c3eec570824dd47e7d58ea74b6365

Aliases

arxiv: 1008.4654 · arxiv_version: 1008.4654v1 · doi: 10.48550/arxiv.1008.4654 · pith_short_12: ICNWYEBFA4XB · pith_short_16: ICNWYEBFA4XBL6WJ · pith_short_8: ICNWYEBF

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/ICNWYEBFA4XBL6WJ4U77ZEQVBG \
  | 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: 409b6c1025072e15fac9e53ffc921509ae1c3eec570824dd47e7d58ea74b6365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9134dfba6abad131ebdfb3415528aa56c1e6dc0732fc1316cc0bf43dfa93ce9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2010-08-27T06:53:28Z",
    "title_canon_sha256": "ed8fe31d59ac1b21e935f896a8f45572e38956ffda6e08660b7a2046e169e684"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4654",
    "kind": "arxiv",
    "version": 1
  }
}