Pith Number

pith:O3BH5TA6

pith:2026:O3BH5TA6D6RQGFSFIQ47IFNU2M

not attested not anchored not stored refs pending

A new analysis of the "hep" S-factor and the "hen" cross section

Alejandro Kievsky, Alex Gnech, Laura Elisa Marcucci, Luca Girlanda, Michele Viviani

arxiv:2605.19927 v1 · 2026-05-19 · nucl-th · astro-ph.SR · hep-ph · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3BH5TA6D6RQGFSFIQ47IFNU2M}

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	2026-05-20T02:05:55.653876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76c27ecc1e1fa30316454439f415b4d30bc749ecb8147e6e86d715b9e64c1772

Aliases

arxiv: 2605.19927 · arxiv_version: 2605.19927v1 · doi: 10.48550/arxiv.2605.19927 · pith_short_12: O3BH5TA6D6RQ · pith_short_16: O3BH5TA6D6RQGFSF · pith_short_8: O3BH5TA6

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/O3BH5TA6D6RQGFSFIQ47IFNU2M \
  | 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: 76c27ecc1e1fa30316454439f415b4d30bc749ecb8147e6e86d715b9e64c1772

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a72f4e0bd57516ca5eb8772eb9ea4bd7fd1a3089c445f1ded5e06b607168d175",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "hep-ph",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2026-05-19T14:49:22Z",
    "title_canon_sha256": "9e425b607877eec0ae8d8fb338baab448e7f0f44cca8a961de9d9771a9df06f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19927",
    "kind": "arxiv",
    "version": 1
  }
}