Pith Number

pith:WKO26GDL

pith:2004:WKO26GDLWLNKXXGT7LQQXXSDRE

not attested not anchored not stored refs pending

Classification and Characterization of Objects from GALEX and SDSS surveys

A. Szalay, B. Madore, B. Milliard, B. Welsh, C.Martin, D.Schiminovich, D. Thilker, J. Donas, K. Forster, Luciana Bianchi (JHU), M. Rich, M. Seibert, O. Siegmund, P.Friedman, P. Jelinsky, P. Morrissey, R. Malina, S. Neff, T. Barlow, T.Heckman, T. Small, T. Wyder, W. Zheng, Yong-Ik Byun, Y.-W. Lee

arxiv:astro-ph/0411406 v1 · 2004-11-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKO26GDLWLNKXXGT7LQQXXSDRE}

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	2026-07-04T14:13:53.842749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b29daf186bb2daabdcd3fae10bde43893726c319caee66652488c137c88d258a

Aliases

arxiv: astro-ph/0411406 · arxiv_version: astro-ph/0411406v1 · doi: 10.48550/arxiv.astro-ph/0411406 · pith_short_12: WKO26GDLWLNK · pith_short_16: WKO26GDLWLNKXXGT · pith_short_8: WKO26GDL

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/WKO26GDLWLNKXXGT7LQQXXSDRE \
  | 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: b29daf186bb2daabdcd3fae10bde43893726c319caee66652488c137c88d258a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc39ddadc30a8663e488a241f782e9912c5562fa7c4caf5e80b82a4e09d832c8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-15T14:42:31Z",
    "title_canon_sha256": "fc2bc057aa51ba7b03f7bf904092cff0cfc3d744b973322fcf32edd8ba83ec94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411406",
    "kind": "arxiv",
    "version": 1
  }
}