Pith Number

pith:OBXXU4XP

pith:2009:OBXXU4XPWZRRHEY66FVR2CAMY7

not attested not anchored not stored refs pending

Recent Arrival of Faint Cluster Galaxies on the Red-sequence: Luminosity Functions from 119 square degrees of CFHTLS

Adam Bognat (University of Waterloo), David G. Gilbank, Michael L. Balogh, Ting Lu

arxiv:0905.3392 v1 · 2009-05-20 · 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{OBXXU4XPWZRRHEY66FVR2CAMY7}

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	2026-05-18T02:13:38.306188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

706f7a72efb66313931ef16b1d080cc7c08f35b025872063faf750d047be482e

Aliases

arxiv: 0905.3392 · arxiv_version: 0905.3392v1 · doi: 10.48550/arxiv.0905.3392 · pith_short_12: OBXXU4XPWZRR · pith_short_16: OBXXU4XPWZRRHEY6 · pith_short_8: OBXXU4XP

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/OBXXU4XPWZRRHEY66FVR2CAMY7 \
  | 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: 706f7a72efb66313931ef16b1d080cc7c08f35b025872063faf750d047be482e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f580e98eeca23ae8bf2f4b777a94f84264366396afc8757cc5730f750010eec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-20T22:01:30Z",
    "title_canon_sha256": "a9dfafc2883df73aee5a450e2e6a8ea91892ab9a2045baff1bebec5d44163ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3392",
    "kind": "arxiv",
    "version": 1
  }
}