Pith Number

pith:CH4E4ISQ

pith:2009:CH4E4ISQWTURPLYK5EAO2RUSDE

not attested not anchored not stored refs pending

Large scale structures around radio galaxies at z~1.5

Alain Omont, Alessandro Rettura, Audrey Galametz, Carlos De Breuck, Chiara Marmo, Daniel Stern, Joel Vernet, Mark Allen, Nick Seymour

arxiv:0908.4106 v1 · 2009-08-27 · 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{CH4E4ISQWTURPLYK5EAO2RUSDE}

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	2026-05-18T02:12:21.840326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11f84e2250b4e917af0ae900ed46921911fe0229aa754f5707556abaff1fae7b

Aliases

arxiv: 0908.4106 · arxiv_version: 0908.4106v1 · doi: 10.48550/arxiv.0908.4106 · pith_short_12: CH4E4ISQWTUR · pith_short_16: CH4E4ISQWTURPLYK · pith_short_8: CH4E4ISQ

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/CH4E4ISQWTURPLYK5EAO2RUSDE \
  | 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: 11f84e2250b4e917af0ae900ed46921911fe0229aa754f5707556abaff1fae7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82de4fde320c0ce4553b2d956f79a2db912e8199050c0906889848c939d7d079",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-27T23:14:38Z",
    "title_canon_sha256": "5c938c5c2b4d0ee4532984cab76042b220b4edb713dccc8156c20584c13d1f3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4106",
    "kind": "arxiv",
    "version": 1
  }
}