Pith Number

pith:J6RLUZRP

pith:2010:J6RLUZRPYIJBNPBRCIWPEWC7RA

not attested not anchored not stored refs pending

Radiogalaxies in the Sloan Digital Sky Survey: spectral index-environment correlations

Ana Laura O'Mill, Carlos G. Bornancini, Diego Garcia Lambas, Sebastian Gurovich

arxiv:1003.4263 v1 · 2010-03-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6RLUZRPYIJBNPBRCIWPEWC7RA}

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	2026-05-18T02:08:24.475526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa2ba662fc21216bc31122cf2585f8829ece7ffd4c5542334dfcbb0663fe2ac

Aliases

arxiv: 1003.4263 · arxiv_version: 1003.4263v1 · doi: 10.48550/arxiv.1003.4263 · pith_short_12: J6RLUZRPYIJB · pith_short_16: J6RLUZRPYIJBNPBR · pith_short_8: J6RLUZRP

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/J6RLUZRPYIJBNPBRCIWPEWC7RA \
  | 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: 4fa2ba662fc21216bc31122cf2585f8829ece7ffd4c5542334dfcbb0663fe2ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f713265f6da2d956f17fe3c671ef576ebd2a9d3e3d092d7203a02506b18c94ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-03-18T20:03:39Z",
    "title_canon_sha256": "be5f653ca4d51ef8c745fcd53468eed88e82b899c9c5f26df2a67fa9276a5a04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4263",
    "kind": "arxiv",
    "version": 1
  }
}