Pith Number

pith:UZICKOJB

pith:2020:UZICKOJBYTW7MUNB6PWM7KWOND

not attested not anchored not stored refs pending

Testing for concept shift online

Vladimir Vovk

arxiv:2012.14246 v1 · 2020-12-28 · cs.LG · 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{UZICKOJBYTW7MUNB6PWM7KWOND}

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.

Cited by

1 paper in Pith

Adapting to Fragmented and Evolving Data: A Fisher Information Perspective

Receipt and verification

First computed	2026-07-05T02:02:16.774304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a650253921c4edf651a1f3eccfaace68fd78e78c5120ffdb0a15aabd55425fbd

Aliases

arxiv: 2012.14246 · arxiv_version: 2012.14246v1 · doi: 10.48550/arxiv.2012.14246 · pith_short_12: UZICKOJBYTW7 · pith_short_16: UZICKOJBYTW7MUNB · pith_short_8: UZICKOJB

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/UZICKOJBYTW7MUNB6PWM7KWOND \
  | 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: a650253921c4edf651a1f3eccfaace68fd78e78c5120ffdb0a15aabd55425fbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "465b1ca9eb0b89f4cf335c76cf5306d8607a3947d28bc9f93f64896af39acacf",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-12-28T14:33:03Z",
    "title_canon_sha256": "23aea19dcc27339e432d24c59592a73e909475ba5075fee7070aea792e7e4c32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14246",
    "kind": "arxiv",
    "version": 1
  }
}