Pith Number

pith:DDJTVJXQ

pith:2006:DDJTVJXQR4NS6HUEHKJHECC2CC

not attested not anchored not stored refs pending

Environmental Dependence of Properties of Galaxies in the Sloan Digital Sky Survey

Changbom Park (1), J. Richard Gott III (3), Michael R. Blanton (4) (for the SDSS collaboration) ((1) Korea Institute for Advanced Study (2) Drexel University (3) Princeton University (4) New York University), Michael S. Vogeley (2), Yun-Young Choi (1)

arxiv:astro-ph/0611610 v2 · 2006-11-20 · 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{DDJTVJXQR4NS6HUEHKJHECC2CC}

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	2026-07-04T23:57:01.219717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18d33aa6f08f1b2f1e843a9272085a10bd17e50ed102d4d27d63ad66ba9429af

Aliases

arxiv: astro-ph/0611610 · arxiv_version: astro-ph/0611610v2 · doi: 10.48550/arxiv.astro-ph/0611610 · pith_short_12: DDJTVJXQR4NS · pith_short_16: DDJTVJXQR4NS6HUE · pith_short_8: DDJTVJXQ

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/DDJTVJXQR4NS6HUEHKJHECC2CC \
  | 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: 18d33aa6f08f1b2f1e843a9272085a10bd17e50ed102d4d27d63ad66ba9429af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe06160ef550aca7a38c84a779b6c9cab53925cabace012e741b5535e7395a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-20T12:08:50Z",
    "title_canon_sha256": "dad4863a0333efab7f4d8686d89cb1aeb0850b0447e954619567e0a1405faa19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611610",
    "kind": "arxiv",
    "version": 2
  }
}