Pith Number

pith:EWEZKAAX

pith:2011:EWEZKAAXSJG24BY4ZHVOKGUOBC

not attested not anchored not stored refs pending

Spectroastrometry of rotating gas disks for the detection of supermassive black holes in galactic nuclei. II. Application to the galaxy Centaurus A (NGC 5128)

A. Capetti, A. Gnerucci, A. Marconi, A. Robinson, D. J. Axon, N. Neumayer

arxiv:1110.0936 v1 · 2011-10-05 · 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{EWEZKAAXSJG24BY4ZHVOKGUOBC}

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	2026-05-18T02:00:17.661156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2589950017924dae071cc9eae51a8e08a5aa23c89c98f02c525b54f93157744c

Aliases

arxiv: 1110.0936 · arxiv_version: 1110.0936v1 · doi: 10.48550/arxiv.1110.0936 · pith_short_12: EWEZKAAXSJG2 · pith_short_16: EWEZKAAXSJG24BY4 · pith_short_8: EWEZKAAX

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/EWEZKAAXSJG24BY4ZHVOKGUOBC \
  | 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: 2589950017924dae071cc9eae51a8e08a5aa23c89c98f02c525b54f93157744c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75a2bd04c2d290520e705e1320c6b33724b434d2dce61a30726cc31393633f06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-05T10:00:47Z",
    "title_canon_sha256": "91543c71181ce9afae22f65ef35c53d18254cf833d86ce201e3ce5fac50357c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0936",
    "kind": "arxiv",
    "version": 1
  }
}