Pith Number

pith:I4ES5KBL

pith:2003:I4ES5KBLEEQ5WOCNWZF3KX6VZE

not attested not anchored not stored refs pending

Radio halos in star forming galaxies

(2) ATNF, (3) XMM-Newton Science Operations Centre, Australia, ESA, Granada, Madrid, Matthias Ehle (3) ((1)(IAA, Michael Dahlem (2), Narrabi, Spain), Ute Lisenfeld (1)

arxiv:astro-ph/0310458 v1 · 2003-10-16 · 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{I4ES5KBLEEQ5WOCNWZF3KX6VZE}

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	2026-05-18T01:40:38.022640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47092ea82b2121db384db64bb55fd5c923b2ac30e1cd739e217a4ecf95b99691

Aliases

arxiv: astro-ph/0310458 · arxiv_version: astro-ph/0310458v1 · doi: 10.48550/arxiv.astro-ph/0310458 · pith_short_12: I4ES5KBLEEQ5 · pith_short_16: I4ES5KBLEEQ5WOCN · pith_short_8: I4ES5KBL

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/I4ES5KBLEEQ5WOCNWZF3KX6VZE \
  | 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: 47092ea82b2121db384db64bb55fd5c923b2ac30e1cd739e217a4ecf95b99691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f1b222620e6ddf8857a672f5b37a7805abb6abb7470b58b32796cce9ea1a491",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-16T14:26:05Z",
    "title_canon_sha256": "b33667b69da93cb1eaf8d3e6ffc02d821d44ec3f0676d7073b3886af45963730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310458",
    "kind": "arxiv",
    "version": 1
  }
}