Pith Number

pith:RD24YCSF

pith:2024:RD24YCSFY6JM6W77YZBBE7LEOD

not attested not anchored not stored refs pending

Machine learning based stellar classification with highly sparse photometry data

Albert Zijlstra, Emma Alexander, Iain McDonald, Nick L.J. Cox, Sean Enis Cody, Sebastian Scher

arxiv:2410.22869 v1 · 2024-10-30 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RD24YCSFY6JM6W77YZBBE7LEOD}

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	2026-07-05T09:28:37.360166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88f5cc0a45c792cf5bffc642127d6470efb25508b3cb445d8335b39f39c05a05

Aliases

arxiv: 2410.22869 · arxiv_version: 2410.22869v1 · doi: 10.48550/arxiv.2410.22869 · pith_short_12: RD24YCSFY6JM · pith_short_16: RD24YCSFY6JM6W77 · pith_short_8: RD24YCSF

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/RD24YCSFY6JM6W77YZBBE7LEOD \
  | 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: 88f5cc0a45c792cf5bffc642127d6470efb25508b3cb445d8335b39f39c05a05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fad466b048931e07b9b31c3edf850d966c6b8f59eb1fd5facbfd4899cadc6831",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-10-30T10:06:29Z",
    "title_canon_sha256": "9500adcf6f18b11059f17c1af11b783a6ff0cae7d76871c741238395cd469659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.22869",
    "kind": "arxiv",
    "version": 1
  }
}