Pith Number

pith:ZSWV6YCT

pith:2009:ZSWV6YCTS7VPZ4A3GOBD7BSWBF

not attested not anchored not stored refs pending

Data Mining and Machine Learning in Astronomy

(2) Department of Astronomy, BC, Canada, Nicholas M. Ball (1), Robert J. Brunner (2) ((1) Herzberg Institute of Astrophysics, University of Illinois at Urbana-Champaign), Victoria

arxiv:0906.2173 v2 · 2009-06-11 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSWV6YCTS7VPZ4A3GOBD7BSWBF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Inferring stellar metallicity and elemental abundances from kinematic and spectroscopic data using machine learning -- Implications for exoplanet host stars

Receipt and verification

First computed	2026-05-18T04:42:23.973238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccad5f605397eafcf01b33823f8656094e332fcd652768bebdd2113991313c82

Aliases

arxiv: 0906.2173 · arxiv_version: 0906.2173v2 · doi: 10.48550/arxiv.0906.2173 · pith_short_12: ZSWV6YCTS7VP · pith_short_16: ZSWV6YCTS7VPZ4A3 · pith_short_8: ZSWV6YCT

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/ZSWV6YCTS7VPZ4A3GOBD7BSWBF \
  | 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: ccad5f605397eafcf01b33823f8656094e332fcd652768bebdd2113991313c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "589e0fa58b11ffe51cb380d67b7b25feeefd424387e849f53fcd9310d8ef8f64",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-06-11T18:11:57Z",
    "title_canon_sha256": "638015fc109c15c49fc8ec9db802977869027e71db9cf504b37f39c00bd11228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2173",
    "kind": "arxiv",
    "version": 2
  }
}