Pith Number

pith:B4LJVJUG

pith:2026:B4LJVJUGKRDSKQWSKMYVF3F6OL

not attested not anchored not stored refs pending

CMB Bounds on Primordial Black Holes via Radiation Capture

Marzieh Farhang, S. M. S. Movahed

arxiv:2606.05133 v1 · 2026-06-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4LJVJUGKRDSKQWSKMYVF3F6OL}

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	2026-06-04T01:10:07.871084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f169aa68654472542d2533152ecbe72efe4484c3c84c4ac0ff75f75aaf36b02

Aliases

arxiv: 2606.05133 · arxiv_version: 2606.05133v1 · doi: 10.48550/arxiv.2606.05133 · pith_short_12: B4LJVJUGKRDS · pith_short_16: B4LJVJUGKRDSKQWS · pith_short_8: B4LJVJUG

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/B4LJVJUGKRDSKQWSKMYVF3F6OL \
  | 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: 0f169aa68654472542d2533152ecbe72efe4484c3c84c4ac0ff75f75aaf36b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76544cefbcb3d9cc922b9a1cd591bf60da2a8d57e1b2742d15f4336d6c79abf4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-03T17:38:04Z",
    "title_canon_sha256": "7ee70f64a88c8f88469e12d32f843af1ef121c94e607175d5922b41da7265f5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05133",
    "kind": "arxiv",
    "version": 1
  }
}