Pith Number

pith:NT3I2KLK

pith:2019:NT3I2KLKKPC2OL6W74ASECUGC3

not attested not anchored not stored refs pending

Detecting changes in the covariance structure of functional time series with application to fMRI data

Christina Stoehr, Claudia Kirch, John A D Aston

arxiv:1903.00288 v1 · 2019-03-01 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NT3I2KLKKPC2OL6W74ASECUGC3}

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	2026-05-17T23:52:20.226358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cf68d296a53c5a72fd6ff01220a8616c26f5b26833cdb538b2cb984e8ee3bef

Aliases

arxiv: 1903.00288 · arxiv_version: 1903.00288v1 · doi: 10.48550/arxiv.1903.00288 · pith_short_12: NT3I2KLKKPC2 · pith_short_16: NT3I2KLKKPC2OL6W · pith_short_8: NT3I2KLK

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/NT3I2KLKKPC2OL6W74ASECUGC3 \
  | 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: 6cf68d296a53c5a72fd6ff01220a8616c26f5b26833cdb538b2cb984e8ee3bef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388473af7796e6f0f2add7de9a0bc85622923e0da442bb320ae98a4b18522148",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-03-01T13:32:06Z",
    "title_canon_sha256": "304d19b87eb3540fae9ab582d6f33ddb9c344e1cc8e3d1273c78975a4ee109be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00288",
    "kind": "arxiv",
    "version": 1
  }
}