pith. sign in
Pith Number

pith:4FYOA7U4

pith:2008:4FYOA7U4546DXAHIOFDTSZZZQO
not attested not anchored not stored refs pending

Environmental Effects in Clusters: Modified Far-Infrared--Radio Relations within Virgo Cluster Galaxies

A. Chung, E.J. Murphy, G. Helou, J.D.P. Kenney, J.H. Howell

arxiv:0812.2922 v1 · 2008-12-15 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4FYOA7U4546DXAHIOFDTSZZZQO}

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 2026-05-18T04:29:24.478913Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e170e07e9cef3c3b80e8714739673983a662528139edd334a72df49e1e85bccb

Aliases

arxiv: 0812.2922 · arxiv_version: 0812.2922v1 · doi: 10.48550/arxiv.0812.2922 · pith_short_12: 4FYOA7U4546D · pith_short_16: 4FYOA7U4546DXAHI · pith_short_8: 4FYOA7U4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4FYOA7U4546DXAHIOFDTSZZZQO \
  | 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: e170e07e9cef3c3b80e8714739673983a662528139edd334a72df49e1e85bccb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8bb8559ebc505e30312e6af47f2c55d7a1cb7b505002071f64635976065749cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-15T22:00:03Z",
    "title_canon_sha256": "52a78736c86317d7a429b021b9792bce3739c40bcd7f2c967d7f260c93139090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2922",
    "kind": "arxiv",
    "version": 1
  }
}