Pith Number

pith:ZASSQISF

pith:2019:ZASSQISFFXPPU45KC6ASAE2O27

not attested not anchored not stored refs pending

The NANOGrav 11-Year Data Set: Evolution of Gravitational Wave Background Statistics

A. Brazier, A. M. Holgado, A. N. Lommen, A. R. Kaiser, C. A. Witt, C. M. F. Mingarelli, C. Ng, D. Good, D. J. Nice, D. L. Kaplan, D. R. Lorimer, D. R. Madison, D. R. Stinebring, E. A. Huerta, E. Ferrara, E. Fonseca, F. Crawford, G. Jones, H. T. Cromartie, I. H. Stairs, J. A. Ellis, J. E. Turner, J. Luo, J. M. Cordes, J. S. Hazboun, J. Simon, J. S. Key, J. Swiggum, K. Crowter, K. Islo, K. Stovall, L. Levin, L. Z. Kelley, M. A. McLaughlin, M. DeCesar, M. L. Jones, M. T. Lam, M. Vallisneri, N. Garver-Daniels, N. J. Cornish, N. S. Pol, P. B. Demorest, P. Gentile, P. R. Brook, P. S. Ray, P. T. Baker, R. D. Ferdman, R. Jennings, R. S. Lynch, R. Spiewak, R. van Haasteren, S. Burke-Spolaor, S. Chatterjee, S. J. Vigeland, S. M. Ransom, S. R. Taylor, S. T. McWilliams, T. Dolch, T. J. W. Lazio, T. T. Pennucci, W. W. Zhu, X. Siemens, Z. Arzoumanian

arxiv:1909.08644 v2 · 2019-09-18 · astro-ph.HE · astro-ph.IM · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZASSQISFFXPPU45KC6ASAE2O27}

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	2026-07-05T00:43:37.313142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8252822452ddefa73aa178120134ed7f7f81e1412ecb4daffd0a8c10bb6f90a

Aliases

arxiv: 1909.08644 · arxiv_version: 1909.08644v2 · doi: 10.48550/arxiv.1909.08644 · pith_short_12: ZASSQISFFXPP · pith_short_16: ZASSQISFFXPPU45K · pith_short_8: ZASSQISF

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/ZASSQISFFXPPU45KC6ASAE2O27 \
  | 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: c8252822452ddefa73aa178120134ed7f7f81e1412ecb4daffd0a8c10bb6f90a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6562f05aa6aa2c66cde1980dd29c8cf6e839955ab77815ede877644fac40e606",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-18T18:02:58Z",
    "title_canon_sha256": "8fd8ada4cf1ab1e2e18f4968b3293114ac4e6778442c53f063385ce1abdc2066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08644",
    "kind": "arxiv",
    "version": 2
  }
}