Pith Number

pith:5WILZ564

pith:1999:5WILZ564QXQD4SM66F4U3FOIXC

not attested not anchored not stored refs pending

PKS2250-41 and the role of jet-cloud interactions in powerful radio galaxies (full paper)

(2) Univ. of Sheffield - UK, (3) Itto. di Radioastronomia - Bologna, (4) University of Hertfordshire - UK, (6) STScI - Baltimore, A. Koekemoer (5) ((1) IAP-Paris, C. Tadhunter (2), D. Axon (4), Italy, M. Villar-Martin (1), R. Morganti (3), USA)

arxiv:astro-ph/9902376 v1 · 1999-02-26 · 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{5WILZ564QXQD4SM66F4U3FOIXC}

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	2026-05-18T01:40:13.385329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed90bcf7dc85e03e499ef1794d95c8b8ac01df70688c518bcc540c0e25c10dd5

Aliases

arxiv: astro-ph/9902376 · arxiv_version: astro-ph/9902376v1 · doi: 10.48550/arxiv.astro-ph/9902376 · pith_short_12: 5WILZ564QXQD · pith_short_16: 5WILZ564QXQD4SM6 · pith_short_8: 5WILZ564

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/5WILZ564QXQD4SM66F4U3FOIXC \
  | 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: ed90bcf7dc85e03e499ef1794d95c8b8ac01df70688c518bcc540c0e25c10dd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f7536018c9dea68d84f93703bb40d8e24285c0ec932061c3bdf39771881e8d1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-26T15:59:41Z",
    "title_canon_sha256": "2b9761d10d3588784313bca45b3e29500375b96fab1fe6f26d1e5a9d399c517f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902376",
    "kind": "arxiv",
    "version": 1
  }
}