Pith Number

pith:KL6VFPQA

pith:2009:KL6VFPQAFS2FXTL2GCSRY5XR7Y

not attested not anchored not stored refs pending

Spatial Clustering from GALEX-SDSS samples: Star Formation History and large-scale clustering

Alex S. Szalay, Barry F. Madore, Bruno Milliard, David Schiminovich, D. Christopher Martin, Jose Donas, Karl Foster, Luciana Bianchi, Mark Seibert, Miguel A. Aragon-Calvo, Patrick Morrissey, Peter G.Friedman, R. Michael Rich, Sebastien Heinis, Stephane Arnouts, Sukyoung K. Yi, Susan G. Neff, Tamas Budavari, Ted K. Wyder, Timothy M. Heckman, Tom A. Barlow, Young-Wook Lee

arxiv:0904.3553 v1 · 2009-04-22 · 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{KL6VFPQAFS2FXTL2GCSRY5XR7Y}

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.

Receipt and verification

First computed	2026-05-18T02:34:59.611607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52fd52be002cb45bcd7a30a51c76f1fe1b0c3d197ef6d41ecc8b6079cc9096ec

Aliases

arxiv: 0904.3553 · arxiv_version: 0904.3553v1 · doi: 10.48550/arxiv.0904.3553 · pith_short_12: KL6VFPQAFS2F · pith_short_16: KL6VFPQAFS2FXTL2 · pith_short_8: KL6VFPQA

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/KL6VFPQAFS2FXTL2GCSRY5XR7Y \
  | 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: 52fd52be002cb45bcd7a30a51c76f1fe1b0c3d197ef6d41ecc8b6079cc9096ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da897d3822acca3d33ab254e118c5bd0abb0ead974b91dbcb9e3e87771f57512",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-22T21:07:44Z",
    "title_canon_sha256": "ac5ec2a7da7fdae17135f23295feefd177f6ff235dad3eefe132da66f616966f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3553",
    "kind": "arxiv",
    "version": 1
  }
}