Pith Number

pith:NHNLIV4K

pith:2020:NHNLIV4KUHVMSAURI3VMDXEXGK

not attested not anchored not stored refs pending

Discovery of a Candidate Binary Supermassive Black Hole in a Periodic Quasar from Circumbinary Accretion Variability

Aaron Roodman, Alistair Walker, A. Miguel Holgado, Andr\'es Plazas Malag\'on, August Evrard, Aurelio Carnero Rosell, Ben Hoyle, Brenna Flaugher, Carlos Cunha, Chris D'Andrea, Christopher Davis, Daniel Gruen, David Brooks, David James, Devon L. Hollowood, Elisabeth Krause, Elizabeth Buckley-Geer, Emmanuel Bertin, Enrique Gaztanaga, Eric Morganson, Eric Suchyta, Eusebio Sanchez, Felipe Menanteau, Flavia Sobreira, Francisco Javier Castander, Gaston Gutierrez, Gregory Tarle, Hengxiao Guo, H. Thomas Diehl, James Annis, Jennifer Marshall, Jorge Carretero, Josh Frieman, Juan De Vicente, Juan Garcia-Bellido, Julia Gschwend, Karl Glazebrook, Keith Bechtol, Klaus Honscheid, Kyler Kuehn, Luiz da Costa, Manda Banerji, Marcelle Soares-Santos, Marcio Maia, Marcos Lima, Mathew Smith, Matias Carrasco Kind, Michael Schubnell, Molly Swanson, Pablo Fosalba, Paul Martini, Peter Doel, Ramon Miquel, R. Chris Smith, Richard G. McMahon, Richard Kessler, Robert Gruendl, Sahar Allam, Santiago Avila, Santiago Serrano, Shantanu Desai, Tamara Davis, The DES Collaboration, Tim Eifler, Vic Scarpine, Vinu Vikram, Wei-Ting Liao, Will Hartley, Xin Liu, Yu-Ching Chen, Yue Shen

arxiv:2008.12317 v3 · 2020-08-27 · astro-ph.GA · 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{NHNLIV4KUHVMSAURI3VMDXEXGK}

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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	2026-07-05T01:59:14.168666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69dab4578aa1eac9029146eac1dc9732b762a07c551f51a74538d8513293a1da

Aliases

arxiv: 2008.12317 · arxiv_version: 2008.12317v3 · doi: 10.48550/arxiv.2008.12317 · pith_short_12: NHNLIV4KUHVM · pith_short_16: NHNLIV4KUHVMSAUR · pith_short_8: NHNLIV4K

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/NHNLIV4KUHVMSAURI3VMDXEXGK \
  | 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: 69dab4578aa1eac9029146eac1dc9732b762a07c551f51a74538d8513293a1da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ed0a0908fab577996b6e955e515ab44426664bafcb2d44d931dc1b8e7395308",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-08-27T18:17:59Z",
    "title_canon_sha256": "e2cf511962dccc277955355164f27eb0d8bb51667b24d04f50d6d34331c437ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.12317",
    "kind": "arxiv",
    "version": 3
  }
}