Pith Number

pith:4V2NZNBS

pith:2022:4V2NZNBSQVP7OWZACWCSYT4HII

not attested not anchored not stored refs pending

NANOGrav Signal from the End of Inflation and the LIGO Mass and Heavier Primordial Black Holes

Abasalt Rostami, Amjad Ashoorioon, Kazem Rezazadeh

arxiv:2202.01131 v3 · 2022-02-02 · astro-ph.CO · gr-qc · hep-ph · 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{4V2NZNBSQVP7OWZACWCSYT4HII}

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	2026-07-05T05:13:31.513692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e574dcb432855ff75b2015852c4f8742251565fb7b56fb2e757b69e1f9d2cd2e

Aliases

arxiv: 2202.01131 · arxiv_version: 2202.01131v3 · doi: 10.48550/arxiv.2202.01131 · pith_short_12: 4V2NZNBSQVP7 · pith_short_16: 4V2NZNBSQVP7OWZA · pith_short_8: 4V2NZNBS

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/4V2NZNBSQVP7OWZACWCSYT4HII \
  | 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: e574dcb432855ff75b2015852c4f8742251565fb7b56fb2e757b69e1f9d2cd2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d33505794eb8ffd19acc3b658779a9be8023a084dec6c775594dcf35b8bd034",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-02-02T16:43:07Z",
    "title_canon_sha256": "bdd192b014ea6e2354ffa0a05ed534eba4b24cd52638c38aa211e3642fae5b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01131",
    "kind": "arxiv",
    "version": 3
  }
}