Pith Number

pith:YD5HXINK

pith:2007:YD5HXINKQKER5AI2JN67YKKFC6

not attested not anchored not stored refs pending

The Look-back Time Evolution of Far-Ultraviolet Flux from the Brightest Cluster Elliptical Galaxies at z < 0.2

Alessandro Boselli, Alex S. Szalay, Barry F. Madore, Barry Y. Welsh, Bruno Milliard, Chang H. Ree, David Schiminovich, D. Christopher Martin, Jaehyon Rhee, Jean-Michel Deharveng, Jonghwan Rhee, Jose Donas, Karl Forster, Kevin Schawinski, Luciana Bianchi, Mark Seibert, Patrick Morrissey, Peter G. Friedman, R. Michael Rich, Soo-Chang Rey, Sugata Kaviraj, Suk-Jin Yoon, Sukyoung K. Yi, Susan G. Neff, Ted K. Wyder, Timothy M. Heckman, Todd Small, Tom A. Barlow, Young-Jong Sohn, Young-Wook Lee, Yun-Kyeong Sheen

arxiv:astro-ph/0703503 v1 · 2007-03-19 · 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{YD5HXINKQKER5AI2JN67YKKFC6}

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	2026-07-04T17:07:48.315872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0fa7ba1aa82891e811a4b7dfc294517967eefaeffcebd18bd34f14193d3a834

Aliases

arxiv: astro-ph/0703503 · arxiv_version: astro-ph/0703503v1 · doi: 10.48550/arxiv.astro-ph/0703503 · pith_short_12: YD5HXINKQKER · pith_short_16: YD5HXINKQKER5AI2 · pith_short_8: YD5HXINK

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/YD5HXINKQKER5AI2JN67YKKFC6 \
  | 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: c0fa7ba1aa82891e811a4b7dfc294517967eefaeffcebd18bd34f14193d3a834

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77c8402f104809e69f138d93e60919c5b5067adc8d35289a78484128458df686",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-19T20:01:26Z",
    "title_canon_sha256": "368d7c2d59b057586c48e8d515797958a3150084b212395ff83f6e5859c18039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703503",
    "kind": "arxiv",
    "version": 1
  }
}