Pith Number

pith:K4ZWTFAM

pith:2024:K4ZWTFAMQDGEVGTQCAKGN3TEVD

not attested not anchored not stored refs pending

Fast Online Changepoint Detection

Eduardo Rossi, Fabrizio Ghezzi, Lorenzo Trapani

arxiv:2402.04433 v1 · 2024-02-06 · stat.ME · econ.EM · 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{K4ZWTFAMQDGEVGTQCAKGN3TEVD}

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	2026-07-05T07:42:26.700853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

573369940c80cc4a9a70101466ee64a8f4258bc78b565551c6e5a519eaafee11

Aliases

arxiv: 2402.04433 · arxiv_version: 2402.04433v1 · doi: 10.48550/arxiv.2402.04433 · pith_short_12: K4ZWTFAMQDGE · pith_short_16: K4ZWTFAMQDGEVGTQ · pith_short_8: K4ZWTFAM

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/K4ZWTFAMQDGEVGTQCAKGN3TEVD \
  | 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: 573369940c80cc4a9a70101466ee64a8f4258bc78b565551c6e5a519eaafee11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74cea25ccb0f26bbd6cad8bd83192021b83657742682c7cf51df71aa383d7cda",
    "cross_cats_sorted": [
      "econ.EM",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2024-02-06T22:12:14Z",
    "title_canon_sha256": "05a44e650882f299a18eecc372c7dbb20c817b825490574fe5d03526c9a101c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.04433",
    "kind": "arxiv",
    "version": 1
  }
}