Pith Number

pith:J5RNIIOK

pith:2005:J5RNIIOKOGXAUQY4BH6C6Z3EN3

not attested not anchored not stored refs pending

The line-of-sight velocity distributions of intracluster planetary nebulae in the Virgo cluster core

(2) Astronomical Institute, (3) Instituto de Astrofisica de Canarias, (4) RSAA, (5) Kapteyn Astronomical Institute, (6) Dept. of Astronomy Univ. of Tokyo, (7) Institute for Cosmic Ray Research, J. Alfonso L. Aguerri (3), Kenneth C. Freeman (4), Magda Arnaboldi (1), Mt. Stromlo Observatory, Naoki Yasuda (7) ((1)INAF, Nicola R. Napolitano (5), Observatory of Turin, Ortwin Gerhard (2), Sadanori Okamura (6), Univ. of Basel, Univ. of Tokyo)

arxiv:astro-ph/0502421 v1 · 2005-02-21 · 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{J5RNIIOKOGXAUQY4BH6C6Z3EN3}

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	2026-07-04T16:50:51.743516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f62d421ca71ae0a431c09fc2f67646ed5756deaf9ac4f99909d3ee6d4ec86a0

Aliases

arxiv: astro-ph/0502421 · arxiv_version: astro-ph/0502421v1 · doi: 10.48550/arxiv.astro-ph/0502421 · pith_short_12: J5RNIIOKOGXA · pith_short_16: J5RNIIOKOGXAUQY4 · pith_short_8: J5RNIIOK

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/J5RNIIOKOGXAUQY4BH6C6Z3EN3 \
  | 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: 4f62d421ca71ae0a431c09fc2f67646ed5756deaf9ac4f99909d3ee6d4ec86a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e458b440d1c2e0ca63cde94ddcf9f40d8417ab84ac9e78c4c4ae343825709c61",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-21T16:38:40Z",
    "title_canon_sha256": "ea03c004d1e6c4ecd4b258a4a8f777fc2b839e698c6cc6141efd2d5ffd6c7d08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502421",
    "kind": "arxiv",
    "version": 1
  }
}