Pith Number

pith:IZL7L3ER

pith:2004:IZL7L3ERMHQ7NEZSTNKUMWZ4M7

not attested not anchored not stored refs pending

The Look-back Time Evolution of Far-UV Flux from Elliptical Galaxies: The Fornax Cluster and Abell 2670

A. S. Szalay, B. F. Madore, B. Milliard, B. Y. Welsh, C. H. Ree, D. C. Martin, D. Schiminovich, J. Donas, J.-M. Deharveng, J. Rhee, J.-W. Lee, K. Forster, L. Bianchi, M. J. Jee, M. Seibert, O. H. W. Siegmund, P. G. Friedman, P. Morrissey, P. N. Jelinsky, R. F. Malina, R. M. Rich, S.-C. Rey, S. G. Neff, S.-J. Yoon, S. K. Yi, S.-W. Kim, T. A. Barlow, T. K. Wyder, T. M. Heckman, T. Small, Y.-I. Byun, Y.-J. Sohn, Y.-W. Lee

arxiv:astro-ph/0411318 v1 · 2004-11-12 · 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{IZL7L3ERMHQ7NEZSTNKUMWZ4M7}

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	2026-07-04T16:45:11.150426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4657f5ec9161e1f693329b55465b3c67f8b419d368e449d4a97a609edee51b31

Aliases

arxiv: astro-ph/0411318 · arxiv_version: astro-ph/0411318v1 · doi: 10.48550/arxiv.astro-ph/0411318 · pith_short_12: IZL7L3ERMHQ7 · pith_short_16: IZL7L3ERMHQ7NEZS · pith_short_8: IZL7L3ER

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/IZL7L3ERMHQ7NEZSTNKUMWZ4M7 \
  | 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: 4657f5ec9161e1f693329b55465b3c67f8b419d368e449d4a97a609edee51b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ac122be6a7c9467bead9b4e754022a45ed39735fcded06b17ae4c3c3532cb03",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-12T03:02:00Z",
    "title_canon_sha256": "f4fe260054335d645accd972789848dc64c7f1dfeba27e96f3a6cd48ac1738cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411318",
    "kind": "arxiv",
    "version": 1
  }
}