Pith Number

pith:XNPRUOCZ

pith:2014:XNPRUOCZJRQFLXTM6ZMDKI4HQ3

not attested not anchored not stored refs pending

A close-pair binary in a distant triple supermassive black-hole system

(10) Max-Planck-Institut f\"ur Radioastronomie, (11) The University of Manchester, (12) University of Cambridge), ((1) University of Cape Town, 2), (2) Square Kilometre Array South Africa, (3) Joint Institute for VLBI in Europe, (4) University of Oxford, 5), (5) University of the Western Cape, 6, 6), (6) Rhodes University, 7), (7) Harvard-Smithsonian Center for Astrophysics, (8) Satellite Geodetic Observatory, (9) CSIRO Astronomy, Cartography, C. Rumsey (12), G. Bernardi (2, H.-R. Kl\"ockner (10), I. Heywood (9, Institute of Geodesy, K. Grainge (11), M. Coriat (1, M. J. Jarvis (4, Remote Sensing, R. P. Deane (1, R. P. Fender (4), S. Frey (8), Space Science, Z. Paragi (3)

arxiv:1406.6365 v1 · 2014-06-24 · astro-ph.GA · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNPRUOCZJRQFLXTM6ZMDKI4HQ3}

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	2026-05-18T02:49:02.928771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb5f1a38594c6055de6cf65835238786d66fc21056ec8c5884db505ebd5d7b5e

Aliases

arxiv: 1406.6365 · arxiv_version: 1406.6365v1 · doi: 10.48550/arxiv.1406.6365 · pith_short_12: XNPRUOCZJRQF · pith_short_16: XNPRUOCZJRQFLXTM · pith_short_8: XNPRUOCZ

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/XNPRUOCZJRQFLXTM6ZMDKI4HQ3 \
  | 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: bb5f1a38594c6055de6cf65835238786d66fc21056ec8c5884db505ebd5d7b5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66887d48dedd37740acc6200ec5b749f84ef0fd0c1151888140b51e34fb479c7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-24T20:00:17Z",
    "title_canon_sha256": "e3966ed1715a13005cb78ec5083e73ca0645b5466fe88925d3422ab48d81be1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6365",
    "kind": "arxiv",
    "version": 1
  }
}