Pith Number

pith:P4A4UJPS

pith:2010:P4A4UJPSC2ZY2P2J4SXQTPAE4K

not attested not anchored not stored refs pending

The optical morphologies of the 2Jy sample of radio galaxies: evidence for galaxy interactions

Clive N. Tadhunter, Cristina Ramos Almeida, D. Dicken, J. Holt, K. J. Inskip, R. Morganti

arxiv:1008.2683 v1 · 2010-08-16 · 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{P4A4UJPSC2ZY2P2J4SXQTPAE4K}

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	2026-05-18T02:05:47.990487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f01ca25f216b38d3f49e4af09bc04e2852421abbb164523c67c17b106aa6173

Aliases

arxiv: 1008.2683 · arxiv_version: 1008.2683v1 · doi: 10.48550/arxiv.1008.2683 · pith_short_12: P4A4UJPSC2ZY · pith_short_16: P4A4UJPSC2ZY2P2J · pith_short_8: P4A4UJPS

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/P4A4UJPSC2ZY2P2J4SXQTPAE4K \
  | 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: 7f01ca25f216b38d3f49e4af09bc04e2852421abbb164523c67c17b106aa6173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f08f127575aefa6c4230be28ccaea8d87c84e1b89a8b7ebad61960be3841f35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-16T15:11:18Z",
    "title_canon_sha256": "567f479f1b9f65e1396ee32cb07ed396ffd11fc57e8d6a7ad75afa9cde65b7de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2683",
    "kind": "arxiv",
    "version": 1
  }
}