Pith Number

pith:HKLJUTUN

pith:2021:HKLJUTUN4GUTF4X2YNHPBDNLAC

not attested not anchored not stored refs pending

The NANOGrav 11yr Data Set: Limits on Supermassive Black Hole Binaries in Galaxies within 500Mpc

Adam Brazier, Andrew R. Kaiser, Bence Becsy, Brent J. Shapiro-Albert, Caitlin A. Witt, Cherry Ng, Chiara M. F. Mingarelli, Chung-Pei Ma, Daniel R. Stinebring, David J. Nice, David L. Kaplan, Deborah C. Good, Dustin R. Madison, Elizabeth C. Ferrara, Emmanuel Fonseca, Fronefield Crawford, H. Thankful Cromartie, Ingrid H. Stairs, James M. Cordes, Jeffrey S. Hazboun, Jing Luo, Joey Shapiro Key, Joseph K. Swiggum, Joseph Simon, Justin A. Ellis, Kevin Stovall, Kristina Islo, Luke Z. Kelley, Maria Charisi, Maura A. McLaughlin, Megan E. DeCesar, Megan L. Jones, Michael T. Lam, Michele Vallisneri, Nathan Garver-Daniels, Neil J. Cornish, Nihan S. Pol, Paul B. Demorest, Paul R. Brook, Paul S. Ray, Paul T. Baker, Peter A. Gentile, Renee Spiewak, Rodney D. Elliott, Ross J. Jennings, Ryan S. Lynch, Sarah Burke-Spolaor, Sarah J. Vigeland, Scott M. Ransom, Shami Chatterjee, Stephen R. Taylor, The NANOGrav Collaboration, Timothy Dolch, Timothy T. Pennucci, T. Joseph W. Lazio, Xavier Siemens, Zaven Arzoumanian

arxiv:2101.02716 v1 · 2021-01-07 · 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{HKLJUTUN4GUTF4X2YNHPBDNLAC}

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	2026-07-05T02:53:32.599338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a969a4e8de1a932f2fac34ef08dab00a227b49411be05b221929d1445302467

Aliases

arxiv: 2101.02716 · arxiv_version: 2101.02716v1 · doi: 10.48550/arxiv.2101.02716 · pith_short_12: HKLJUTUN4GUT · pith_short_16: HKLJUTUN4GUTF4X2 · pith_short_8: HKLJUTUN

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/HKLJUTUN4GUTF4X2YNHPBDNLAC \
  | 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: 3a969a4e8de1a932f2fac34ef08dab00a227b49411be05b221929d1445302467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b1535be35f7cb86297c27b6959ef2a8028f1b1d74887b913483df42538554f7",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-07T19:00:02Z",
    "title_canon_sha256": "7051dc98068ed4af4f53630bdba1ce503a41102c1d3548fd4ccf69628fa3dee9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02716",
    "kind": "arxiv",
    "version": 1
  }
}