Pith Number

pith:FCXNX5PR

pith:2025:FCXNX5PRZ6WDWB3YS66MXYVKU2

not attested not anchored not stored refs pending

Bidirectional Neural Networks for Global Nucleon-Nucleus Optical Model Calculations

Jin Lei

arxiv:2512.22500 v3 · 2025-12-27 · 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{FCXNX5PRZ6WDWB3YS66MXYVKU2}

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	2026-05-28T01:04:34.767261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28aedbf5f1cfac3b077897bccbe2aaa6bb37f45d2017a8bdbcfac5167474f194

Aliases

arxiv: 2512.22500 · arxiv_version: 2512.22500v3 · doi: 10.48550/arxiv.2512.22500 · pith_short_12: FCXNX5PRZ6WD · pith_short_16: FCXNX5PRZ6WDWB3Y · pith_short_8: FCXNX5PR

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/FCXNX5PRZ6WDWB3YS66MXYVKU2 \
  | 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: 28aedbf5f1cfac3b077897bccbe2aaa6bb37f45d2017a8bdbcfac5167474f194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ea1b943bcb49ebdad8b4125054af01a98a5df8e7e7d4b58f4511b48279de581",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2025-12-27T06:56:38Z",
    "title_canon_sha256": "3b6c6a60030d66d01d402cd0b16f859c0b2a90b2fa6b816e6dcbedfd8a9392ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.22500",
    "kind": "arxiv",
    "version": 3
  }
}