Pith Number

pith:II2H3CFP

pith:2002:II2H3CFPKJQ3WHJ7YPNNISIL6M

not attested not anchored not stored refs pending

Luminosity Function of Morphologically Classified Galaxies in the Sloan Digital Sky Survey

Donald P. Schneider, Jon Brinkmann, Jon Loveday, Kazuhiro Shimasaku, Mark SubbaRao, Masataka Fukugita, Naoki Yasuda, Osamu Nakamura

arxiv:astro-ph/0212405 v1 · 2002-12-18 · 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{II2H3CFPKJQ3WHJ7YPNNISIL6M}

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	2026-07-04T16:31:26.170002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42347d88af5261bb1d3fc3dad4490bf31c1dda26606e870aa49f25e29e2172e0

Aliases

arxiv: astro-ph/0212405 · arxiv_version: astro-ph/0212405v1 · doi: 10.48550/arxiv.astro-ph/0212405 · pith_short_12: II2H3CFPKJQ3 · pith_short_16: II2H3CFPKJQ3WHJ7 · pith_short_8: II2H3CFP

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/II2H3CFPKJQ3WHJ7YPNNISIL6M \
  | 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: 42347d88af5261bb1d3fc3dad4490bf31c1dda26606e870aa49f25e29e2172e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd5c620d63580e959c436ab7da2f1b3e223c4b372ff7c134f0f43c47e8032df5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-18T14:01:23Z",
    "title_canon_sha256": "46da3ec514891bf883e8d3b63a4c9d29be0ff83614cf882df5bc3207239f3c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212405",
    "kind": "arxiv",
    "version": 1
  }
}