Pith Number

pith:PHUPYOIF

pith:2026:PHUPYOIFLPGBF36PHV7NBYBP2E

not attested not anchored not stored refs pending

Calibrated Persistent-Laplacian CUSUM for Online Change-Point Detection

Shiheng Nie, Yunguang Yue

arxiv:2607.08635 v1 · 2026-07-09 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHUPYOIFLPGBF36PHV7NBYBP2E}

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	2026-07-10T01:19:56.098458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e8fc39055bcc12efcf3d7ed0e02fd11ff1c630fb7477691a7a1ea78d94fdc7

Aliases

arxiv: 2607.08635 · arxiv_version: 2607.08635v1 · doi: 10.48550/arxiv.2607.08635 · pith_short_12: PHUPYOIFLPGB · pith_short_16: PHUPYOIFLPGBF36P · pith_short_8: PHUPYOIF

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/PHUPYOIFLPGBF36PHV7NBYBP2E \
  | 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: 79e8fc39055bcc12efcf3d7ed0e02fd11ff1c630fb7477691a7a1ea78d94fdc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d7535edf9e7004d1627aa083b7d1ae79cf9441633f6853de88e671273593261",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-07-09T16:07:55Z",
    "title_canon_sha256": "d4bb9227e3572c6f0bd8a9ac4b5051603af5d7b88e969009dc50b83317848dcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08635",
    "kind": "arxiv",
    "version": 1
  }
}