Pith Number

pith:MB35K2QJ

pith:2025:MB35K2QJXCY7I7NRWCODFX6PXG

not attested not anchored not stored refs pending

WISDOM Project -- XXV. Improving the CO-dynamical supermassive black hole mass measurement in the galaxy NGC 1574 using high spatial resolution ALMA observations

Federico Lelli, Hengyue Zhang, Ilaria Ruffa, Jacob S. Elford, Martin Bureau, Pandora Dominiak, Thomas G. Williams, Timothy A. Davis

arxiv:2507.10662 v1 · 2025-07-14 · 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{MB35K2QJXCY7I7NRWCODFX6PXG}

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	2026-07-05T11:36:58.146962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6077d56a09b8b1f47db1b09c32dfcfb9a1c67daec330b267e1e7427f3fc58996

Aliases

arxiv: 2507.10662 · arxiv_version: 2507.10662v1 · doi: 10.48550/arxiv.2507.10662 · pith_short_12: MB35K2QJXCY7 · pith_short_16: MB35K2QJXCY7I7NR · pith_short_8: MB35K2QJ

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/MB35K2QJXCY7I7NRWCODFX6PXG \
  | 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: 6077d56a09b8b1f47db1b09c32dfcfb9a1c67daec330b267e1e7427f3fc58996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06d64bcc1028a4b81a132c0729ed08e50654f6505fd26f00c6988d19be3ed829",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-14T18:00:03Z",
    "title_canon_sha256": "320ab7a4ca1e9242ba41f2a9f2453fe99b8eff1bbd4706e09cce2aeb4266d699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10662",
    "kind": "arxiv",
    "version": 1
  }
}