Pith Number

pith:TEG42KEI

pith:2025:TEG42KEI7DMUV2TJKSJRBZ324Z

not attested not anchored not stored refs pending

The star grinder in the Galactic centre. Uncovering the highly compact central stellar-mass black hole cluster

Jaroslav Haas, Ladislav \v{S}ubr, Myank Singhal, Pavel Kroupa

arxiv:2503.15598 v1 · 2025-03-19 · 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{TEG42KEI7DMUV2TJKSJRBZ324Z}

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	2026-07-05T10:35:53.902993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

990dcd2888f8d94aea69549310e77ae673deeb100baab522b1410ea7db544e39

Aliases

arxiv: 2503.15598 · arxiv_version: 2503.15598v1 · doi: 10.48550/arxiv.2503.15598 · pith_short_12: TEG42KEI7DMU · pith_short_16: TEG42KEI7DMUV2TJ · pith_short_8: TEG42KEI

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/TEG42KEI7DMUV2TJKSJRBZ324Z \
  | 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: 990dcd2888f8d94aea69549310e77ae673deeb100baab522b1410ea7db544e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad4df79ac4356cda47f43d83a107a957c8b512203a6188001286f71c92e390bf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-19T18:00:01Z",
    "title_canon_sha256": "625742b23d55e06ffd755677075de3a4f910d94b733a2915219f8beee1199309"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.15598",
    "kind": "arxiv",
    "version": 1
  }
}