Pith Number

pith:33K4PSBT

pith:2026:33K4PSBT4Z77GQIICJCJ4LUMCL

not attested not anchored not stored refs pending

Weinberg Angle, Neutron Abundance in BBN, and Lifetime

Cheng Tao Yang, Johann Rafelski

arxiv:2603.02652 v2 · 2026-03-03 · hep-ph · astro-ph.CO · nucl-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{33K4PSBT4Z77GQIICJCJ4LUMCL}

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	2026-06-30T01:16:28.782917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded5c7c833e67ff3410812449e2e8c12c4df917902905631f9674be71c3b8ece

Aliases

arxiv: 2603.02652 · arxiv_version: 2603.02652v2 · doi: 10.48550/arxiv.2603.02652 · pith_short_12: 33K4PSBT4Z77 · pith_short_16: 33K4PSBT4Z77GQII · pith_short_8: 33K4PSBT

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/33K4PSBT4Z77GQIICJCJ4LUMCL \
  | 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: ded5c7c833e67ff3410812449e2e8c12c4df917902905631f9674be71c3b8ece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d9a6abf87c7eb6a37b03097c44fdbb4cf1af3c463d2ca3462af37f314cd1e8d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "nucl-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-03-03T06:36:42Z",
    "title_canon_sha256": "d982337b45670801b096d3750866371574eafa5e6e856f45c39610f580add120"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.02652",
    "kind": "arxiv",
    "version": 2
  }
}