Pith Number

pith:55OCB7UR

pith:2010:55OCB7UR6VAMCUV6CDCJUZ45P2

not attested not anchored not stored refs pending

Black Holes in Bulgeless Galaxies: An XMM-Newton Investigation of NGC 3367 and NGC 4536

C. C. Cheung, M. Gliozzi, Michael Eracleous, R. M. Sambruna, S. Satyapal, W. Mcalpine

arxiv:1012.0834 v1 · 2010-12-03 · 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{55OCB7UR6VAMCUV6CDCJUZ45P2}

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	2026-05-18T02:04:33.122258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5c20fe91f540c152be10c49a679d7ea33541c9bafba7cf90679cb256fbe62a

Aliases

arxiv: 1012.0834 · arxiv_version: 1012.0834v1 · doi: 10.48550/arxiv.1012.0834 · pith_short_12: 55OCB7UR6VAM · pith_short_16: 55OCB7UR6VAMCUV6 · pith_short_8: 55OCB7UR

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/55OCB7UR6VAMCUV6CDCJUZ45P2 \
  | 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: ef5c20fe91f540c152be10c49a679d7ea33541c9bafba7cf90679cb256fbe62a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da5f562e68b919b96bcff5ff48a1fa1ff9ec5adf69251e57e187aae749f072f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-12-03T20:27:19Z",
    "title_canon_sha256": "39e882cf29bb759fc7a3c30aa341206cc231db4a52c91b72940669f8371eceb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0834",
    "kind": "arxiv",
    "version": 1
  }
}