Pith Number

pith:HHB4BVO7

pith:2024:HHB4BVO7EM6PPC73PFA2JRJZ4Q

not attested not anchored not stored refs pending

Identification of Intermediate-mass Black Hole Candidates Among a Sample of Sd Galaxies

Alister W. Graham, Benjamin L. Davis, Elena D'Onghia, Igor D. Karachentsev, Roberto Soria, Valentina E. Karachentseva, Zehao Jin

arxiv:2406.05778 v2 · 2024-06-09 · 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{HHB4BVO7EM6PPC73PFA2JRJZ4Q}

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	2026-07-05T08:54:52.074518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c3c0d5df233cf78bfb7941a4c539e405b1dbecd849b840c059c011382a086d

Aliases

arxiv: 2406.05778 · arxiv_version: 2406.05778v2 · doi: 10.48550/arxiv.2406.05778 · pith_short_12: HHB4BVO7EM6P · pith_short_16: HHB4BVO7EM6PPC73 · pith_short_8: HHB4BVO7

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/HHB4BVO7EM6PPC73PFA2JRJZ4Q \
  | 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: 39c3c0d5df233cf78bfb7941a4c539e405b1dbecd849b840c059c011382a086d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3535b2293a35f5aed164bdf254aaf27c261e81e6ffcfe1b89e82a57b1bfd13f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-06-09T13:21:29Z",
    "title_canon_sha256": "efacaab451c2210cdf6cc32b77621f3fd5b5212f81b6ccfa52cedf13583c78da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.05778",
    "kind": "arxiv",
    "version": 2
  }
}