Pith Number

pith:3RBK67L5

pith:2025:3RBK67L5NLAWLW3WKNEUZI3ZPV

not attested not anchored not stored refs pending

The EoR 21-cm Bispectrum at $z=8.2$ from MWA data I: Foregrounds and preliminary upper limits

Akash Kumar Patwa, Khandakar Md Asif Elahi, Shiv K. Sethi, Somnath Bharadwaj, Sukhdeep Singh Gill

arxiv:2507.04964 v1 · 2025-07-07 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3RBK67L5NLAWLW3WKNEUZI3ZPV}

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	2026-07-05T11:33:07.181051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc42af7d7d6ac165db7653494ca3797d561dc1c439b1e5b43d7ccf8173bf5c76

Aliases

arxiv: 2507.04964 · arxiv_version: 2507.04964v1 · doi: 10.48550/arxiv.2507.04964 · pith_short_12: 3RBK67L5NLAW · pith_short_16: 3RBK67L5NLAWLW3W · pith_short_8: 3RBK67L5

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/3RBK67L5NLAWLW3WKNEUZI3ZPV \
  | 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: dc42af7d7d6ac165db7653494ca3797d561dc1c439b1e5b43d7ccf8173bf5c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b1cbee85d11f65acb7cac3b8489a626ef114a34ffa7b50d5f41dfe99d1361f6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-07-07T13:07:38Z",
    "title_canon_sha256": "192531340416e1f8ae9d54d03df9f05f681714ee370753c973f6bc83a1922bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.04964",
    "kind": "arxiv",
    "version": 1
  }
}