Pith Number

pith:HVPYSPSC

pith:2015:HVPYSPSCESEENUJFUYOJEX3FAW

not attested not anchored not stored refs pending

Multiple supermassive black hole systems: SKA's future leading role

(10) Max-Planck-Institut f\"ur Radioastronomie), ((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) F\"OMI Satellite Geodetic Observatory, (9) CSIRO Astronomy, Gianni Bernardi (2, Hans-Rainer Kl\"ockner (10), Ian Heywood (9, Matt Jarvis (4, Mick\"ael Coriat (1, Roger Deane (1, Sandor Frey (8), Space Science, Zsolt Paragi (3)

arxiv:1501.01238 v1 · 2015-01-06 · 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{HVPYSPSCESEENUJFUYOJEX3FAW}

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	2026-05-18T02:30:00.034328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d5f893e42248846d125a61c925f6505a53dc275b636088b4f6ace3355a9745a

Aliases

arxiv: 1501.01238 · arxiv_version: 1501.01238v1 · doi: 10.48550/arxiv.1501.01238 · pith_short_12: HVPYSPSCESEE · pith_short_16: HVPYSPSCESEENUJF · pith_short_8: HVPYSPSC

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/HVPYSPSCESEENUJFUYOJEX3FAW \
  | 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: 3d5f893e42248846d125a61c925f6505a53dc275b636088b4f6ace3355a9745a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea84d6fbbd80f0c7655f2a71dea87c890113afacae8f1854870fc67249b2ec4c",
    "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": "2015-01-06T17:07:34Z",
    "title_canon_sha256": "d0a166d72c1127cdee10e678f4ef682e66a316c41a493db1b04b11e4b8ab0ea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01238",
    "kind": "arxiv",
    "version": 1
  }
}