Pith Number

pith:T45WQC77

pith:2021:T45WQC774K3KGGXY43XE7NLPD3

not attested not anchored not stored refs pending

Central X-ray point-sources found to be abundant in low-mass, late-type galaxies predicted to contain an intermediate-mass black hole

Alister W. Graham, Benjamin L. Davis, Christian Motch, Douglas A. Swartz, James Miller-Jones, Mari Kolehmainen, Roberto Soria, Thomas Maccarone

arxiv:2112.08599 v1 · 2021-12-16 · 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{T45WQC774K3KGGXY43XE7NLPD3}

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	2026-07-05T03:45:57.663011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f3b680bffe2b6a31af8e6ee4fb56f1ed0288f222251466b9f393faacc1506cb

Aliases

arxiv: 2112.08599 · arxiv_version: 2112.08599v1 · doi: 10.48550/arxiv.2112.08599 · pith_short_12: T45WQC774K3K · pith_short_16: T45WQC774K3KGGXY · pith_short_8: T45WQC77

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/T45WQC774K3KGGXY43XE7NLPD3 \
  | 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: 9f3b680bffe2b6a31af8e6ee4fb56f1ed0288f222251466b9f393faacc1506cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "188d5a8195a6ba99e1c4de37d23c638d66a4eaa7fa20a9bc77844457aab7fb5b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-16T03:52:54Z",
    "title_canon_sha256": "43e6849ddb9b620b7ce4154c1a0472481fcee8d14617eb0c5eedbd1771bba123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08599",
    "kind": "arxiv",
    "version": 1
  }
}