Pith Number

pith:4DRC22CN

pith:2021:4DRC22CNE57HCOQPUNZKZSUPSU

not attested not anchored not stored refs pending

Looking at the NANOGrav Signal Through the Anthropic Window of Axion-Like Particles

Alexander S. Sakharov, Sergey G. Rubin, Yury N. Eroshenko

arxiv:2104.08750 v2 · 2021-04-18 · hep-ph · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DRC22CNE57HCOQPUNZKZSUPSU}

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

1 paper in Pith

Imprint of domain wall annihilation on induced gravitational waves

Receipt and verification

First computed	2026-07-05T03:04:50.685137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0e22d684d277e713a0fa372acca8f951ec77c40a04ca0c8b733ada6a774a69c

Aliases

arxiv: 2104.08750 · arxiv_version: 2104.08750v2 · doi: 10.48550/arxiv.2104.08750 · pith_short_12: 4DRC22CNE57H · pith_short_16: 4DRC22CNE57HCOQP · pith_short_8: 4DRC22CN

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/4DRC22CNE57HCOQPUNZKZSUPSU \
  | 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: e0e22d684d277e713a0fa372acca8f951ec77c40a04ca0c8b733ada6a774a69c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da99395303ba0fadcf3894f887d89dd3a539adadad5758a1a8fc1da8a70aa67d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-04-18T07:22:06Z",
    "title_canon_sha256": "e8fbea6b908465604e5d9fde7521380f38c3f30d29db99d498e51dc99d3e70d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08750",
    "kind": "arxiv",
    "version": 2
  }
}