Pith Number

pith:MVLFH5WQ

pith:2025:MVLFH5WQVKR7ASVHWD7KHUZKOX

not attested not anchored not stored refs pending

Supermassive black hole mass measurement in the spiral galaxy NGC 4736 Using JWST/NIRSpec stellar kinematics

Alister W. Graham, Diep N. Pham, Dieu D. Nguyen, Hai N. Ngo, Igor V. Chilingarian, Le Ngoc Tram, Mark Durre, Miguel Pereira-Santaella, Ng\^an L\^e, Nguyen B. Ngoc, Niranjan Thatte, N. T. Phuong, Roberto Soria, Thiem Hoang, Tinh Q. T. Le

arxiv:2505.09941 v1 · 2025-05-15 · 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{MVLFH5WQVKR7ASVHWD7KHUZKOX}

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	2026-07-05T11:03:30.768067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

655653f6d0aaa3f04aa7b0fea3d32a75fee6dcf12e83a8f768b335aac24123d5

Aliases

arxiv: 2505.09941 · arxiv_version: 2505.09941v1 · doi: 10.48550/arxiv.2505.09941 · pith_short_12: MVLFH5WQVKR7 · pith_short_16: MVLFH5WQVKR7ASVH · pith_short_8: MVLFH5WQ

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/MVLFH5WQVKR7ASVHWD7KHUZKOX \
  | 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: 655653f6d0aaa3f04aa7b0fea3d32a75fee6dcf12e83a8f768b335aac24123d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebd0347f80fa8d916a3ff145a6fd4dddbc3ca887d1e8a52a4770fc3b9eaa85b8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-15T03:54:41Z",
    "title_canon_sha256": "2a147fa96aab84a47b71ebf738602e3de902d01425a384ac4845c80a2b6d8613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.09941",
    "kind": "arxiv",
    "version": 1
  }
}