pith. sign in
Pith Number

pith:CRHR6ZGS

pith:2007:CRHR6ZGS2XNVLFDYKM4D7NFN5N
not attested not anchored not stored refs pending

N_p N_n Scheme Based on New Empirical Formula for Excitation Energy

Dongwoo Cha, Eunja Ha, Jin-Hee Yoon

arxiv:0704.1693 v2 · 2007-04-13 · nucl-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CRHR6ZGS2XNVLFDYKM4D7NFN5N}

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 2026-07-04T15:24:54.133603Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

144f1f64d2d5db55947853383fb4adeb6a0a1abd93fe963901ee44ec9e8a05e0

Aliases

arxiv: 0704.1693 · arxiv_version: 0704.1693v2 · doi: 10.48550/arxiv.0704.1693 · pith_short_12: CRHR6ZGS2XNV · pith_short_16: CRHR6ZGS2XNVLFDY · pith_short_8: CRHR6ZGS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CRHR6ZGS2XNVLFDYKM4D7NFN5N \
  | 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: 144f1f64d2d5db55947853383fb4adeb6a0a1abd93fe963901ee44ec9e8a05e0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "af518b8bdbeff1984bd0c6bfd1ddba38c19beb1a1ae9aaa8a40dd9328ef89ace",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "2007-04-13T03:26:41Z",
    "title_canon_sha256": "bd0571bbf821b79c546489e8b6d7da916c5132e04168de4346b88a4fbc22e140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1693",
    "kind": "arxiv",
    "version": 2
  }
}