Pith Number

pith:5TZQQPRC

pith:2026:5TZQQPRC5CNC2VSA524ZDXO7Y2

not attested not anchored not stored refs pending

A Supermassive Black Hole Mass Measurement in NGC 5102 with Schwarzschild Orbit-superposition Modeling

Ahmad Kadri, Karl Gebhardt, Kayhan Gultekin, Soch Foskic, Thomas K. Waters

arxiv:2607.26186 v1 · 2026-07-28 · 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{5TZQQPRC5CNC2VSA524ZDXO7Y2}

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	2026-07-30T00:08:40.127554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

ecf3083e22e89a2d5640eeb991dddfc6b4aff5eeae8f46aec5cde72c12094e0d

Aliases

arxiv: 2607.26186 · arxiv_version: 2607.26186v1 · doi: 10.48550/arxiv.2607.26186 · pith_short_12: 5TZQQPRC5CNC · pith_short_16: 5TZQQPRC5CNC2VSA · pith_short_8: 5TZQQPRC

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/5TZQQPRC5CNC2VSA524ZDXO7Y2 \
  | 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: ecf3083e22e89a2d5640eeb991dddfc6b4aff5eeae8f46aec5cde72c12094e0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07b5aa9302c2505d482017ce56117302999e3d51c019a29a7aae9ef64b778fb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-28T18:48:04Z",
    "title_canon_sha256": "83b5f12414c64ae47a2a3c7c7f252446ccb513c2cc35f8c1dffaacb357e5819c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26186",
    "kind": "arxiv",
    "version": 1
  }
}