Pith Number

pith:WK55I6SB

pith:2011:WK55I6SBBR5C3YRJITHOUHC34F

not attested not anchored not stored refs pending

Optimal detection of changepoints with a linear computational cost

I. A. Eckley, P. Fearnhead, R. Killick

arxiv:1101.1438 v3 · 2011-01-07 · stat.ME · q-bio.GN · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WK55I6SBBR5C3YRJITHOUHC34F}

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	2026-05-18T02:23:00.152391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2bbd47a410c7a2de22944ceea1c5be142b4c3778927ad9fe079f1b2b01f2ce1

Aliases

arxiv: 1101.1438 · arxiv_version: 1101.1438v3 · doi: 10.48550/arxiv.1101.1438 · pith_short_12: WK55I6SBBR5C · pith_short_16: WK55I6SBBR5C3YRJ · pith_short_8: WK55I6SB

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/WK55I6SBBR5C3YRJITHOUHC34F \
  | 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: b2bbd47a410c7a2de22944ceea1c5be142b4c3778927ad9fe079f1b2b01f2ce1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5af51bd9a62e0c70eaac0bea27eb7f205997aa9832774c84d2d7bf5d8e4f5a1",
    "cross_cats_sorted": [
      "q-bio.GN",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-01-07T14:13:12Z",
    "title_canon_sha256": "d773cf289fa0f34e2e5432238dc6491881b40f52316f752145446bf8faef8a22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1438",
    "kind": "arxiv",
    "version": 3
  }
}