Pith Number

pith:YFNEWVS6

pith:2009:YFNEWVS654TCUN4DB4HP6WD76P

not attested not anchored not stored refs pending

The Ratio of Luminous to Faint Red Sequence Galaxies in X-Ray and Optically Selected Low-Redshift Clusters

Chris A. Collins, Diego Capozzi, John P. Stott

arxiv:0912.3143 v3 · 2009-12-16 · 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{YFNEWVS654TCUN4DB4HP6WD76P}

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	2026-05-18T02:10:16.619377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c15a4b565eef262a37830f0eff587ff3eebe6ca1c48cce1dddd7e18b3f6d6754

Aliases

arxiv: 0912.3143 · arxiv_version: 0912.3143v3 · doi: 10.48550/arxiv.0912.3143 · pith_short_12: YFNEWVS654TC · pith_short_16: YFNEWVS654TCUN4D · pith_short_8: YFNEWVS6

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/YFNEWVS654TCUN4DB4HP6WD76P \
  | 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: c15a4b565eef262a37830f0eff587ff3eebe6ca1c48cce1dddd7e18b3f6d6754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b32f55fc3c12ee891e3af68f3ad79380395b9546a5f99bcb1d847a5ee5c8eaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-16T14:24:17Z",
    "title_canon_sha256": "d65fca95f01d02a2ef6b942ce2c5980b23491c2e588a42778164275df3c61f04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3143",
    "kind": "arxiv",
    "version": 3
  }
}