Pith Number

pith:FIONYHEK

pith:2015:FIONYHEKUHBHMSNCTSJZ4JQVS3

not attested not anchored not stored refs pending

The NANOGrav Nine-year Data Set: Astrometric Measurements of 37 Millisecond Pulsars

Allison M. Matthews, David J. Nice, Emmanuel Fonseca, Glenn Jones, Ingrid H. Stairs, Joseph K. Swiggum, Justin A. Ellis, Kathryn Crowter, Kevin Stovall, Lina Levin, Marjorie E. Gonzalez, Maura A. McLaughlin, Megan L. Jones, Michael T. Lam, Paul B. Demorest, Robert D. Ferdman, Scott M. Ransom, Timothy Dolch, Timothy T. Pennucci, Weiwei Zhu, Zaven Arzoumanian

arxiv:1509.08982 v2 · 2015-09-30 · 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{FIONYHEKUHBHMSNCTSJZ4JQVS3}

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	2026-05-18T01:20:33.969119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a1cdc1c8aa1c27649a29c939e261596d29d71044f0139ede9bdf10c9b7207f5

Aliases

arxiv: 1509.08982 · arxiv_version: 1509.08982v2 · doi: 10.48550/arxiv.1509.08982 · pith_short_12: FIONYHEKUHBH · pith_short_16: FIONYHEKUHBHMSNC · pith_short_8: FIONYHEK

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/FIONYHEKUHBHMSNCTSJZ4JQVS3 \
  | 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: 2a1cdc1c8aa1c27649a29c939e261596d29d71044f0139ede9bdf10c9b7207f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efe4f818840454dfee1a12012844de17f579bd5a59341dd2cfb58078ebed3648",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-30T00:37:44Z",
    "title_canon_sha256": "aec21c608720c0379abcad6e462cf2b8f50190c21532ad06b4edc3903e08a98c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08982",
    "kind": "arxiv",
    "version": 2
  }
}