Pith Number

pith:AVW4JQO4

pith:2004:AVW4JQO4FTHLXOAET6Y64ESLAW

not attested not anchored not stored refs pending

Distributions of Galaxy Spectral Types in the Sloan Digital Sky Survey

Alex Szalay, Andrew Connolly, Andrew Hopkins, Aniruddha Thakar, Ching-Wa Yip, Donald York, Istvan Csabai, Jonathan Brinkmann, Joshua Frieman, Mark SubbaRao, Masataka Fukugita, Robert Nichol, Sadanori Okamura, Tamas Budavari, Zeljko Ivezic

arxiv:astro-ph/0407061 v3 · 2004-07-02 · 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{AVW4JQO4FTHLXOAET6Y64ESLAW}

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

2 papers in Pith

pop-cosmos: Galaxy size evolution across structural and star-formation classifications in COSMOS-Web

pop-cosmos: Disentangling galaxy properties from observables using data-driven approaches

Receipt and verification

First computed	2026-07-04T15:34:23.945016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

056dc4c1dc2ccebbb8049fb1ee124b0589fb5596bf9537c23d5d3b81be0db52e

Aliases

arxiv: astro-ph/0407061 · arxiv_version: astro-ph/0407061v3 · doi: 10.48550/arxiv.astro-ph/0407061 · pith_short_12: AVW4JQO4FTHL · pith_short_16: AVW4JQO4FTHLXOAE · pith_short_8: AVW4JQO4

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/AVW4JQO4FTHLXOAET6Y64ESLAW \
  | 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: 056dc4c1dc2ccebbb8049fb1ee124b0589fb5596bf9537c23d5d3b81be0db52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0330a5bfbefd9530292118f8d2f434d57f08673109fb8200310fd11de7587a29",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-02T21:26:02Z",
    "title_canon_sha256": "c62e106c4c376517b4d782e731dc17c31d2069b978e41485746a3bb89428b50b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407061",
    "kind": "arxiv",
    "version": 3
  }
}