Pith Number

pith:4NA5NLGN

pith:2020:4NA5NLGN476J74HWZQQONQJTYE

not attested not anchored not stored refs pending

The NANOGrav 12.5-Year Data Set: Monitoring Interstellar Scattering Delays

Brent J. Shapiro-Albert, Cherry Ng, Daniel R. Stinebring, David J. Nice, Deborah C. Good, Duncan R. Lorimer, Elizabeth C. Ferrara, Emmanuel Fonseca, Harsha Blumer, H. Thankful Cromartie, Ingrid H. Stairs, Jacob E. Turner, James M. Cordes, Jing Luo, Joseph K. Swiggum, Justin A. Ellis, Kevin Stovall, Maura A. McLaughlin, Megan E. DeCesar, Megan L. Jones, Michael T. Lam, Nathan Garver-Daniels, Nihan S. Pol, Paul B. Demorest, Paul R. Brook, Peter A. Gentile, Renee Spiewak, Robert D. Ferdman, Ryan S. Lynch, Sarah J. Vigeland, Scott M. Ransom, Shami Chatterjee, Timothy Dolch, Timothy T. Pennucci, T. Joseph W. Lazio, Zaven Arzoumanian

arxiv:2012.09884 v2 · 2020-12-17 · 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{4NA5NLGN476J74HWZQQONQJTYE}

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	2026-07-05T03:06:16.288908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e341d6accde7fc9ff0f6cc20e6c133c124d86d4077f2a62aeaf7861c6857e1d4

Aliases

arxiv: 2012.09884 · arxiv_version: 2012.09884v2 · doi: 10.48550/arxiv.2012.09884 · pith_short_12: 4NA5NLGN476J · pith_short_16: 4NA5NLGN476J74HW · pith_short_8: 4NA5NLGN

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/4NA5NLGN476J74HWZQQONQJTYE \
  | 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: e341d6accde7fc9ff0f6cc20e6c133c124d86d4077f2a62aeaf7861c6857e1d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "318b0d30c163ab901883f9b7beb354077132a7e5919ac32220b175377cdb337d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-12-17T19:09:19Z",
    "title_canon_sha256": "4548202c44e7af13a1d3785d8380544f926c9192d012df5a1f8ce667fee456c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09884",
    "kind": "arxiv",
    "version": 2
  }
}