Pith Number

pith:PA3BOX67

pith:2020:PA3BOX676STIJTWLMWLT63UNC7

not attested not anchored not stored refs pending

Black Hole Mass Measurements of Radio Galaxies NGC 315 and NGC 4261 Using ALMA CO Observations

Aaron J. Barth, Andrew J. Baker, Benjamin D. Boizelle, David A. Buote, Jeremy Darling, Jonathan Cohn, Jonelle L. Walsh, Kyle M. Kabasares, Luis C. Ho

arxiv:2012.04669 v1 · 2020-12-08 · 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{PA3BOX676STIJTWLMWLT63UNC7}

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	2026-07-05T02:15:37.690621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7836175fdff4a684cecb65973f6e8d17f0b23d7a23c2d46fa7122cf98337e74d

Aliases

arxiv: 2012.04669 · arxiv_version: 2012.04669v1 · doi: 10.48550/arxiv.2012.04669 · pith_short_12: PA3BOX676STI · pith_short_16: PA3BOX676STIJTWL · pith_short_8: PA3BOX67

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/PA3BOX676STIJTWLMWLT63UNC7 \
  | 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: 7836175fdff4a684cecb65973f6e8d17f0b23d7a23c2d46fa7122cf98337e74d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27f7c5ce4ceb9cd16574bc8d6119fbdfdfd9e634919dec06229fad5affc34128",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-08T19:00:05Z",
    "title_canon_sha256": "68ff8100f2f99bcb08e94b5e15a55491f46b0d4d6e4222cb275b86a427097aee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04669",
    "kind": "arxiv",
    "version": 1
  }
}