Pith Number

pith:47SY3L6S

pith:2008:47SY3L6SRSL74PVTIJJKVA3TNW

not attested not anchored not stored refs pending

A massive binary black-hole system in OJ287 and a test of general relativity

A. Liakos, A. Sillanp\"a\"a, C. Porowski, C. Villforth, D. Koziel, D. Marchev, G. Poyner, G. Stachowski, H. J. Lehto, J. Heidt, J.-H. Wu, K. Nilsson, K. Sadakane, L. O. Takalo, M. Drozdz, M. J. Valtonen, M. Kidger, M. Nissinen, M. Siwak, M. Winiarski, S. Dogru, S. Zola, T. Pursimo, V.-P. Hentunen, W. Ogloza, X. Zhou

arxiv:0809.1280 v1 · 2008-09-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47SY3L6SRSL74PVTIJJKVA3TNW}

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.

Cited by

3 papers in Pith

Dual AGN and Multiple SMBH Systems in the Era of SKAO

Multifrequency Synthesis via CHIBI: Colorful Hierarchical Interferometric Bayesian Imaging

A low viscosity relatively thick twisted disk in a supermassive binary black hole as a potential model of OJ 287

Receipt and verification

First computed	2026-07-04T17:12:37.162190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7e58dafd28c97fe3eb34252aa83736d8e095147a436eead8bb7b883f6fe21ee

Aliases

arxiv: 0809.1280 · arxiv_version: 0809.1280v1 · doi: 10.48550/arxiv.0809.1280 · pith_short_12: 47SY3L6SRSL7 · pith_short_16: 47SY3L6SRSL74PVT · pith_short_8: 47SY3L6S

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/47SY3L6SRSL74PVTIJJKVA3TNW \
  | 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: e7e58dafd28c97fe3eb34252aa83736d8e095147a436eead8bb7b883f6fe21ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "105f4f832b2dde98ef51b7fb556ce75e89a62a6244ebaccf61026fc98b57411a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-08T06:06:02Z",
    "title_canon_sha256": "0f831115ae2783a859b13f76cade7bedb9afb435284dd2c01393b3918937cabe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1280",
    "kind": "arxiv",
    "version": 1
  }
}