Pith Number

pith:4WNV7ZMW

pith:2022:4WNV7ZMWQJRUSZWAC5TJ4P4Q5U

not attested not anchored not stored refs pending

Gravitational wave signal from primordial magnetic fields in the Pulsar Timing Array frequency band

Alberto Roper Pol, Andrii Neronov, Chiara Caprini, Dmitri Semikoz

arxiv:2201.05630 v2 · 2022-01-14 · astro-ph.CO · astro-ph.HE · 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{4WNV7ZMWQJRUSZWAC5TJ4P4Q5U}

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.

Cited by

2 papers in Pith

Inflationary interpretation of the gravitational-wave signal in the European Pulsar Timing Array DR2 with constraints

Gravitational Wave-Induced Freeze-In of Fermionic Dark Matter

Receipt and verification

First computed	2026-07-05T04:31:31.212423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e59b5fe59682634966c017669e3f90ed2ae8e8dba7294462317eb3a984a6dd42

Aliases

arxiv: 2201.05630 · arxiv_version: 2201.05630v2 · doi: 10.48550/arxiv.2201.05630 · pith_short_12: 4WNV7ZMWQJRU · pith_short_16: 4WNV7ZMWQJRUSZWA · pith_short_8: 4WNV7ZMW

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/4WNV7ZMWQJRUSZWAC5TJ4P4Q5U \
  | 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: e59b5fe59682634966c017669e3f90ed2ae8e8dba7294462317eb3a984a6dd42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d9f9f535d858ad69b550b3481eb2fa5f5eb6f1a30abbeffc9783cb27839edab",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-01-14T19:16:36Z",
    "title_canon_sha256": "de9c3370e6091b8e0d8a72261a494ee54c46899d18ef0c433fdabdadaecb98af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.05630",
    "kind": "arxiv",
    "version": 2
  }
}