Pith Number

pith:WKRGL6ZI

pith:2018:WKRGL6ZIACZ237U5OJF4QAHXSL

not attested not anchored not stored refs pending

Forming circumnuclear disks and rings in galactic nuclei: a competition between supermassive black hole and nuclear star cluster

Alessandro A. Trani, Alessandro Ballone, Michela Mapelli

arxiv:1807.09780 v1 · 2018-07-25 · 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{WKRGL6ZIACZ237U5OJF4QAHXSL}

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	2026-05-18T00:06:37.274608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2a265fb2800b3adfe9d724bc800f792fb16c5ce2e614bc3d8d48202d8fac947

Aliases

arxiv: 1807.09780 · arxiv_version: 1807.09780v1 · doi: 10.48550/arxiv.1807.09780 · pith_short_12: WKRGL6ZIACZ2 · pith_short_16: WKRGL6ZIACZ237U5 · pith_short_8: WKRGL6ZI

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/WKRGL6ZIACZ237U5OJF4QAHXSL \
  | 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: b2a265fb2800b3adfe9d724bc800f792fb16c5ce2e614bc3d8d48202d8fac947

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d7b8fbc40067facd9d1fd91b7183544fbd0af3e498ab6eff50eb52135de5aae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-25T18:00:02Z",
    "title_canon_sha256": "92ca2f40ee5b1dd4a0c9f452809df15c615cac08cf5fbc9f4224a45843469eba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09780",
    "kind": "arxiv",
    "version": 1
  }
}