Pith Number

pith:KOE5NJP3

pith:2005:KOE5NJP3AM7NUEX42RVY5EMUZF

not attested not anchored not stored refs pending

The Sloan Digital Sky Survey Quasar Catalog III. Third Data Release

A. Nitta, A. R. Thakar, A. S. Szalay, A. Uomoto, B. Margon, B. Yanny, C. M. Rockosi, C. Stoughton, D. C. Long, D. E. Vanden Berk, D. G. York, D. H. Saxe, D. J. Eisenstein, D. J. Schlegel, D. P. Schneider, E. H. Neilsen, G. R. Knapp, G. T. Richards, H. J. Brewington, H. Jo Newberg, I. Csabai, J. A. Frieman, J. A. Munn, J. Barentine, J. Brinkmann, J. E. Gunn, J. Gray, J. Krzesinski, J. Loveday, J. R. Pier, M. A. Strauss, M. Doi, M. Fukugita, M. Harvanek, M. R. Blanton, M. Subbarao, N. A. Bahcall, P. B. Hall, P. R. Newman, R. Brunner, R. G. Kron, R. H. Lupton, R. Nichol, S. A. Snedden, S. F. Anderson, S. Jester, S. Kent, S. Kleinman, T. M. Heckman, \v{Z}eljko Ivezi\'c, W. Brandt, W. N. Boroski, X. Fan

arxiv:astro-ph/0503679 v1 · 2005-03-30 · 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{KOE5NJP3AM7NUEX42RVY5EMUZF}

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.

Cited by

1 paper in Pith

Classifying Radio-Loud and Radio-Quiet Quasars With Novel PCA Based Regression Classifier

Receipt and verification

First computed	2026-07-04T15:26:29.120814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5389d6a5fb033eda12fcd46b8e9194c948bf15f58c24067d9aad7647f5bc04c3

Aliases

arxiv: astro-ph/0503679 · arxiv_version: astro-ph/0503679v1 · doi: 10.48550/arxiv.astro-ph/0503679 · pith_short_12: KOE5NJP3AM7N · pith_short_16: KOE5NJP3AM7NUEX4 · pith_short_8: KOE5NJP3

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/KOE5NJP3AM7NUEX42RVY5EMUZF \
  | 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: 5389d6a5fb033eda12fcd46b8e9194c948bf15f58c24067d9aad7647f5bc04c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551cada3e7d69dd88948cded8a1498414119868c1811e29966eb6e97e7817e57",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-30T21:55:34Z",
    "title_canon_sha256": "e69d98e520d69fb9f868a58a80680dea901dd998a0753c12e5c67b9812847e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503679",
    "kind": "arxiv",
    "version": 1
  }
}