Pith Number

pith:X5N5UM3A

pith:2021:X5N5UM3ASE6DLKM4FXRZWKGQI6

not attested not anchored not stored refs pending

An ALMA Gas-dynamical Mass Measurement of the Supermassive Black Hole in the Local Compact Galaxy UGC 2698

Aaron J. Barth, Ak{\i}n Y{\i}ld{\i}r{\i}m, Andrew J. Baker, Benjamin D. Boizelle, David A. Buote, Jeremy Darling, Jonathan H. Cohn, Jonelle L. Walsh, Karl Gebhardt, Kayhan G\"ultekin, Kyle M. Kabasares, Luis C. Ho

arxiv:2104.07779 v1 · 2021-04-15 · 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{X5N5UM3ASE6DLKM4FXRZWKGQI6}

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.

Cited by

1 paper in Pith

A Jet from a Nearly Dormant Black Hole

Receipt and verification

First computed	2026-07-05T03:19:09.061080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf5bda3360913c35a99c2de39b28d047b99a8b0aa0922cea55e0b9bdf956ca53

Aliases

arxiv: 2104.07779 · arxiv_version: 2104.07779v1 · doi: 10.48550/arxiv.2104.07779 · pith_short_12: X5N5UM3ASE6D · pith_short_16: X5N5UM3ASE6DLKM4 · pith_short_8: X5N5UM3A

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/X5N5UM3ASE6DLKM4FXRZWKGQI6 \
  | 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: bf5bda3360913c35a99c2de39b28d047b99a8b0aa0922cea55e0b9bdf956ca53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f2d9e187ac9b67490819b2ab61362054c7a1bdf3ec01af272bd94a76b7942d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-15T21:22:36Z",
    "title_canon_sha256": "189de06084f1464f2f4eb8ec071971411599740f9f578ee36393fd62a666f51c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07779",
    "kind": "arxiv",
    "version": 1
  }
}