Pith Number

pith:IO74VWTV

pith:2005:IO74VWTVDAWLR7BSMDRA3TJ2XU

not attested not anchored not stored refs pending

UV properties of early-type galaxies in the Virgo cluster

A. Boselli, A. Gil de Paz, B. F. Madore, D. C. Martin, G. Gavazzi, J. Donas, J.M. Deharveng, K. S. Yi, L. Cortese, M. Seibert, R. M. Rich, S. Boissier, Y.-J. Sohn, Y.-W. Lee

arxiv:astro-ph/0507169 v2 · 2005-07-07 · 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{IO74VWTVDAWLR7BSMDRA3TJ2XU}

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	2026-07-04T17:15:44.265843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43bfcada75182cb8fc3260e20dcd3abd1059eb84daf04865fbd9a2df3bc523f6

Aliases

arxiv: astro-ph/0507169 · arxiv_version: astro-ph/0507169v2 · doi: 10.48550/arxiv.astro-ph/0507169 · pith_short_12: IO74VWTVDAWL · pith_short_16: IO74VWTVDAWLR7BS · pith_short_8: IO74VWTV

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/IO74VWTVDAWLR7BSMDRA3TJ2XU \
  | 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: 43bfcada75182cb8fc3260e20dcd3abd1059eb84daf04865fbd9a2df3bc523f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98e6edbccf8f1bfeb87c775f198e39e0e69af0e92b3929fc1198e8d571bf07d1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-07T12:21:11Z",
    "title_canon_sha256": "c484408111d72898d81ba9c5c7618602abcdf5adcce2e427a8ce0e6765ee3254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507169",
    "kind": "arxiv",
    "version": 2
  }
}