Pith Number

pith:SL2BEBFD

pith:2013:SL2BEBFD4D4WZTVPPX6S3KWKGF

not attested not anchored not stored refs pending

A candidate supermassive binary black hole system in the brightest cluster galaxy of RBS 797

E. Liuzzo, G. Giovannini, L. Feretti, M. Giroletti, M. Gitti

arxiv:1308.5851 v1 · 2013-08-27 · 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{SL2BEBFD4D4WZTVPPX6S3KWKGF}

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	2026-05-18T01:47:58.018515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92f41204a3e0f96cceaf7dfd2daaca3168b3860e3cb3db479f15eb81e53396ba

Aliases

arxiv: 1308.5851 · arxiv_version: 1308.5851v1 · doi: 10.48550/arxiv.1308.5851 · pith_short_12: SL2BEBFD4D4W · pith_short_16: SL2BEBFD4D4WZTVP · pith_short_8: SL2BEBFD

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/SL2BEBFD4D4WZTVPPX6S3KWKGF \
  | 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: 92f41204a3e0f96cceaf7dfd2daaca3168b3860e3cb3db479f15eb81e53396ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1874af43883f8dad211527083115ed34c76a75199feb80a77f12bb86221d8a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-27T12:57:09Z",
    "title_canon_sha256": "0764f0ca544b17f555f666ac329e190c94bbc795fddf6b157761ea373f0b0f0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5851",
    "kind": "arxiv",
    "version": 1
  }
}