Pith Number

pith:4RKDFY7L

pith:1998:4RKDFY7LD4FJXAB6YIVOHM34FD

not attested not anchored not stored refs pending

Cluster-subcluster Mergers and the Formation of Narrow-angle Tailed Radio Sources

E. Rizza, F. N. Owen, J. O. Burns, M. Bliton, M. J. Ledlow

arxiv:astro-ph/9811005 v1 · 1998-11-01 · 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{4RKDFY7LD4FJXAB6YIVOHM34FD}

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	2026-07-04T16:07:09.382833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e45432e3eb1f0a9b803ec22ae3b37c28eb195174b253759a7036b8c0271f334e

Aliases

arxiv: astro-ph/9811005 · arxiv_version: astro-ph/9811005v1 · doi: 10.48550/arxiv.astro-ph/9811005 · pith_short_12: 4RKDFY7LD4FJ · pith_short_16: 4RKDFY7LD4FJXAB6 · pith_short_8: 4RKDFY7L

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/4RKDFY7LD4FJXAB6YIVOHM34FD \
  | 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: e45432e3eb1f0a9b803ec22ae3b37c28eb195174b253759a7036b8c0271f334e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab56cb21815c2989273836f3a04c801e10cfbf453633fb7623621d82d13f7195",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-01T00:29:10Z",
    "title_canon_sha256": "1b2bec2f5bb55236165b6c6acd26e906e92eee019b37903dc98321cb3304c27a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811005",
    "kind": "arxiv",
    "version": 1
  }
}