Pith Number

pith:LRVOHOC4

pith:2012:LRVOHOC44NG4I3XJL7D7K6UOIX

not attested not anchored not stored refs pending

The Chandra View of NGC 4178: The Lowest Mass Black Hole in a Bulgeless Disk Galaxy?

Anil Seth, C. C. Cheung, Mario Gliozzi, Nathan Secrest, Shobita Satyapal, Torsten Boeker

arxiv:1205.0230 v1 · 2012-05-01 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRVOHOC44NG4I3XJL7D7K6UOIX}

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	2026-05-18T01:57:39.332297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c6ae3b85ce34dc46ee95fc7f57a8e45ff23b50da7c142641c351e70326bbd86

Aliases

arxiv: 1205.0230 · arxiv_version: 1205.0230v1 · doi: 10.48550/arxiv.1205.0230 · pith_short_12: LRVOHOC44NG4 · pith_short_16: LRVOHOC44NG4I3XJ · pith_short_8: LRVOHOC4

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/LRVOHOC44NG4I3XJL7D7K6UOIX \
  | 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: 5c6ae3b85ce34dc46ee95fc7f57a8e45ff23b50da7c142641c351e70326bbd86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a6b5b43ed5f4427c1a91e3f060068650348139bda2186510d7394dca909228",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-05-01T18:50:47Z",
    "title_canon_sha256": "714122f75f0a46e916c32012715f0e8afb6d85ab4ae0ffd9113a46b6c6811b67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0230",
    "kind": "arxiv",
    "version": 1
  }
}