Pith Number

pith:C226BHT7

pith:2025:C226BHT773OHZJAD5REYJVFCSI

not attested not anchored not stored refs pending

The impact of new ($\alpha$, n) reaction rates on the weak s-process in metal-poor massive stars

Chun-Ming Yip, Ken'ichi Nomoto, Shaolan Bi, Wenyu Xin, Xianfei Zhang

arxiv:2504.13766 v3 · 2025-04-18 · astro-ph.SR · nucl-ex · 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{C226BHT773OHZJAD5REYJVFCSI}

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	2026-05-25T02:02:06.996448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16b5e09e7ffedc7ca403ec4984d4a2923f3c442a2dfa4f39ce9de415dbaa33c0

Aliases

arxiv: 2504.13766 · arxiv_version: 2504.13766v3 · doi: 10.48550/arxiv.2504.13766 · pith_short_12: C226BHT773OH · pith_short_16: C226BHT773OHZJAD · pith_short_8: C226BHT7

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/C226BHT773OHZJAD5REYJVFCSI \
  | 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: 16b5e09e7ffedc7ca403ec4984d4a2923f3c442a2dfa4f39ce9de415dbaa33c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba92670c721e13dad2689c8e458a3c0428f72a107d1c86fa6b33c4a423f0994",
    "cross_cats_sorted": [
      "nucl-ex",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-18T16:04:50Z",
    "title_canon_sha256": "cebef4b482f358eb99c6b7a2200b9b48ab62a181dd48d2b6114c33bb42a64ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13766",
    "kind": "arxiv",
    "version": 3
  }
}