Pith Number

pith:YT3KAMXD

pith:2010:YT3KAMXDB6PUPYYAO3GJ7G4PLA

not attested not anchored not stored refs pending

A multiscale approach to environment and its influence on the colour distribution of galaxies

(2) MPIA, (3) The Johns Hopkins University, Baltimore, David Wilman (1), Garching, Germany, Heidelberg, MD, Stefano Zibetti (2), Tamas Budavari (3) ((1) MPE, USA)

arxiv:1004.2254 v1 · 2010-04-13 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YT3KAMXDB6PUPYYAO3GJ7G4PLA}

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	2026-05-18T02:08:06.037947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f6a032e30f9f47e30076cc9f9b8f582279f760488f790bc00a8d92fbcba602

Aliases

arxiv: 1004.2254 · arxiv_version: 1004.2254v1 · doi: 10.48550/arxiv.1004.2254 · pith_short_12: YT3KAMXDB6PU · pith_short_16: YT3KAMXDB6PUPYYA · pith_short_8: YT3KAMXD

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/YT3KAMXDB6PUPYYAO3GJ7G4PLA \
  | 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: c4f6a032e30f9f47e30076cc9f9b8f582279f760488f790bc00a8d92fbcba602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8fb44fb21ce2bfe00926564a1a17cfe57e93bf0abe5d4a239b988d5016115fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-13T20:00:01Z",
    "title_canon_sha256": "00bf4641dd0787427b3261254f0e6f8c4c0fc7efc7b31ce957b18fede9001dea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2254",
    "kind": "arxiv",
    "version": 1
  }
}