Pith Number

pith:N2PZQMFG

pith:2016:N2PZQMFGKP37ZVTGRXZAKJED4X

not attested not anchored not stored refs pending

The NANOGrav Nine-year Data Set: Monitoring Interstellar Scattering Delays

Daniel R. Stinebring, David J. Nice, Emmanuel Fonseca, Glenn Jones, Ingrid H. Stairs, James M. Cordes, Joseph K. Swiggum, Justin A. Ellis, Kathryn Crowter, Kevin Stovall, Lina Levin, Marjorie E. Gonzalez, Maura A. McLaughlin, Megan L. Jones, Michael T. Lam, Nipuni Palliyaguru, Paul B. Demorest, Robert D. Ferdman, Scott M. Ransom, Shami Chatterjee, Timothy Dolch, Timothy T. Pennucci, T. Joseph W. Lazio, Weiwei Zhu, Zaven Arzoumanian

arxiv:1601.04490 v1 · 2016-01-18 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2PZQMFGKP37ZVTGRXZAKJED4X}

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	2026-05-18T01:19:24.895783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e9f9830a653f7fcd6668df2052483e5c1967f1cceb240cd06b662c9afa2504d

Aliases

arxiv: 1601.04490 · arxiv_version: 1601.04490v1 · doi: 10.48550/arxiv.1601.04490 · pith_short_12: N2PZQMFGKP37 · pith_short_16: N2PZQMFGKP37ZVTG · pith_short_8: N2PZQMFG

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/N2PZQMFGKP37ZVTGRXZAKJED4X \
  | 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: 6e9f9830a653f7fcd6668df2052483e5c1967f1cceb240cd06b662c9afa2504d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "045db1367412cc6c79abb6cd499a7e5c3e4ced95a950fbb5cdcf190f6c67f801",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-01-18T12:29:01Z",
    "title_canon_sha256": "87d00a487625d3f1cdbfd2b47e7a7d227a85f40152b66d37de8f53fb5688ef0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04490",
    "kind": "arxiv",
    "version": 1
  }
}