Pith Number

pith:3CY7LBX4

pith:2010:3CY7LBX4CHDAQ7Z6H3DQ3SPA4D

not attested not anchored not stored refs pending

Colours of Bulges and Discs within Galaxy Clusters and the Signature of Disc Fading on Infall

Gary A. Wegner, Jeffrey B. Stevenson, John R. Lucey, Luc Simard, Michael J. Hudson, Russell J. Smith

arxiv:1007.1002 v1 · 2010-07-06 · 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{3CY7LBX4CHDAQ7Z6H3DQ3SPA4D}

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	2026-05-18T02:06:31.839164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8b1f586fc11c6087f3e3ec70dc9e0e0da111dbe3b84151c170c2320940f9735

Aliases

arxiv: 1007.1002 · arxiv_version: 1007.1002v1 · doi: 10.48550/arxiv.1007.1002 · pith_short_12: 3CY7LBX4CHDA · pith_short_16: 3CY7LBX4CHDAQ7Z6 · pith_short_8: 3CY7LBX4

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/3CY7LBX4CHDAQ7Z6H3DQ3SPA4D \
  | 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: d8b1f586fc11c6087f3e3ec70dc9e0e0da111dbe3b84151c170c2320940f9735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9735a54f00db014e47faea0a794c8c20c8375b37576acd23b6557a9c67a5b99c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-06T20:24:13Z",
    "title_canon_sha256": "9f4e18628250db6eeda3cb495bfbf805a0070685436508a23e3f9ff9745bdee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1002",
    "kind": "arxiv",
    "version": 1
  }
}