Pith Number

pith:GZH37EQ4

pith:2003:GZH37EQ4OPAIIDLRXRZMPLV5SN

not attested not anchored not stored refs pending

Galaxies in group and field environments: a comparison of optical-NIR luminosities and colors

C. Marinoni, E. Rigoni, F. Mardirossian, M. Girardi, M. Mezzetti

arxiv:astro-ph/0308139 v1 · 2003-08-08 · 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{GZH37EQ4OPAIIDLRXRZMPLV5SN}

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

Mapping Nearby Galaxies with Apache Point Observatory: Group and field galaxies' morphologies in the colour-magnitude plane

Receipt and verification

First computed	2026-07-04T16:51:26.485017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

364fbf921c73c0840d71bc72c7aebd9349bc26d5955f28cc973325b865050b07

Aliases

arxiv: astro-ph/0308139 · arxiv_version: astro-ph/0308139v1 · doi: 10.48550/arxiv.astro-ph/0308139 · pith_short_12: GZH37EQ4OPAI · pith_short_16: GZH37EQ4OPAIIDLR · pith_short_8: GZH37EQ4

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/GZH37EQ4OPAIIDLRXRZMPLV5SN \
  | 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: 364fbf921c73c0840d71bc72c7aebd9349bc26d5955f28cc973325b865050b07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b84a53f9a91e3e4cb54b26e71f107fb0f16176eb4cd28411375c5a6527130d83",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-08T14:16:48Z",
    "title_canon_sha256": "faed76cd0ff0d14f0e6cc8b59f20ee6edc5cc045f62c78268e50ff4a69e89a3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308139",
    "kind": "arxiv",
    "version": 1
  }
}