Pith Number

pith:4HJRPIQY

pith:2026:4HJRPIQYLHBNVF3KM75ER5AUJS

not attested not anchored not stored refs pending

Population statistics of nanohertz gravitational wave sources

Jiming Yu, Liang Dai, Xiao Xue, Zhen Pan

arxiv:2607.07477 v1 · 2026-07-08 · 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{4HJRPIQYLHBNVF3KM75ER5AUJS}

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	2026-07-09T01:20:25.939602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d317a21859c2da976a67fa48f4144cb72dba080daca3edff4214e9193c7633

Aliases

arxiv: 2607.07477 · arxiv_version: 2607.07477v1 · doi: 10.48550/arxiv.2607.07477 · pith_short_12: 4HJRPIQYLHBN · pith_short_16: 4HJRPIQYLHBNVF3K · pith_short_8: 4HJRPIQY

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/4HJRPIQYLHBNVF3KM75ER5AUJS \
  | 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: e1d317a21859c2da976a67fa48f4144cb72dba080daca3edff4214e9193c7633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e418453f2b1f5e3b9b717ececc0535c9e04c4a67999b339906803432fa21e22",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-08T14:41:22Z",
    "title_canon_sha256": "d840fafde59b0ce3797811bffb4fe2941b8910a2024ac1c4720d9299367b3c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07477",
    "kind": "arxiv",
    "version": 1
  }
}