Pith Number

pith:SKEQL4PK

pith:2019:SKEQL4PKSH5P65RWYKG3Q3TUCR

not attested not anchored not stored refs pending

Asymptotically Optimal Change Point Detection for Composite Hypothesis in State Space Models

Cheng-Der Fuh

arxiv:1906.03416 v1 · 2019-06-08 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKEQL4PKSH5P65RWYKG3Q3TUCR}

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	2026-05-17T23:43:48.553658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

928905f1ea91faff7636c28db86e74145c82d562694f998ea92092dc530e5fc5

Aliases

arxiv: 1906.03416 · arxiv_version: 1906.03416v1 · doi: 10.48550/arxiv.1906.03416 · pith_short_12: SKEQL4PKSH5P · pith_short_16: SKEQL4PKSH5P65RW · pith_short_8: SKEQL4PK

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/SKEQL4PKSH5P65RWYKG3Q3TUCR \
  | 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: 928905f1ea91faff7636c28db86e74145c82d562694f998ea92092dc530e5fc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fe8251bf0ec3b7a48ed950bd5796f6565bf318e0e92dd8184880fd2a6de301c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-06-08T08:21:51Z",
    "title_canon_sha256": "230fddaf23dd0333e30a4e0cec71e408d1e825562fdb8f9c19e778392223d5d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03416",
    "kind": "arxiv",
    "version": 1
  }
}