Pith Number

pith:UPNRJB46

pith:2022:UPNRJB46GCKUQEWWNVDKTHKLFS

not attested not anchored not stored refs pending

Classifying Kepler light curves for 12,000 A and F stars using supervised feature-based machine learning

Ben D. Fulcher, Nicholas H. Barbara, Simon J. Murphy, Timothy R. Bedding, Timothy Van Reeth

arxiv:2205.03020 v2 · 2022-05-06 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPNRJB46GCKUQEWWNVDKTHKLFS}

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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.

Cited by

1 paper in Pith

Statistical comparisons of time-series feature sets on classification tasks

Receipt and verification

First computed	2026-07-05T04:36:00.547376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3db14879e30954812d66d46a99d4b2c8063b833b98b9cf7829898ac5d2be7ff

Aliases

arxiv: 2205.03020 · arxiv_version: 2205.03020v2 · doi: 10.48550/arxiv.2205.03020 · pith_short_12: UPNRJB46GCKU · pith_short_16: UPNRJB46GCKUQEWW · pith_short_8: UPNRJB46

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/UPNRJB46GCKUQEWWNVDKTHKLFS \
  | 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: a3db14879e30954812d66d46a99d4b2c8063b833b98b9cf7829898ac5d2be7ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c9fea5b01f7b3523406806b54302bd00ea8ae296aad21092bfa6c8744ef555",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-05-06T05:31:18Z",
    "title_canon_sha256": "c03119339a33e28d8347248c0afcbe9c69acadb415885f147813f136f8df2ade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.03020",
    "kind": "arxiv",
    "version": 2
  }
}