Pith Number

pith:YHQ3I3J7

pith:2010:YHQ3I3J77V4Y7C4E6AE5OM7BXI

not attested not anchored not stored refs pending

Double-double radio galaxies: further insights into the formation of the radio structures

Arno Schoenmakers, Catherine Brocksopp (MSSL), Christian Kaiser, Ger de Bruyn

arxiv:1008.2706 v1 · 2010-08-16 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHQ3I3J77V4Y7C4E6AE5OM7BXI}

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	2026-05-18T02:05:47.928658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e1b46d3ffd798f8b84f009d733e1ba33a21c54c1a5f416268e90f4864c5aa0

Aliases

arxiv: 1008.2706 · arxiv_version: 1008.2706v1 · doi: 10.48550/arxiv.1008.2706 · pith_short_12: YHQ3I3J77V4Y · pith_short_16: YHQ3I3J77V4Y7C4E · pith_short_8: YHQ3I3J7

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/YHQ3I3J77V4Y7C4E6AE5OM7BXI \
  | 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: c1e1b46d3ffd798f8b84f009d733e1ba33a21c54c1a5f416268e90f4864c5aa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f81ab5a87dd89040eae96120af6df0ef4aea81e1bd5f4ede72c41b0bff3e620",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-08-16T16:29:55Z",
    "title_canon_sha256": "ac32cfc4e888b403a70bb0fd15a3af603f8e64ef5a8940eb58a16c3abfdd4725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2706",
    "kind": "arxiv",
    "version": 1
  }
}