pith. sign in
Pith Number

pith:FUSVQQCT

pith:2015:FUSVQQCTP3SFAUUNDMUW23VA7O
not attested not anchored not stored refs pending

Ground-state energies and charge radii of $^{4}$He, $^{16}$O, $^{40}$Ca, and $^{56}$Ni in the unitary-model-operator approach

Ryoji Okamoto, Takaharu Otsuka, Takashi Abe, Takayuki Miyagi

arxiv:1504.04965 v1 · 2015-04-20 · nucl-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FUSVQQCTP3SFAUUNDMUW23VA7O}

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 2026-05-18T02:18:23.091259Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2d255840537ee450528d1b296d6ea0fbb3e9fdea5e375ac0ce7c54e497913416

Aliases

arxiv: 1504.04965 · arxiv_version: 1504.04965v1 · doi: 10.48550/arxiv.1504.04965 · pith_short_12: FUSVQQCTP3SF · pith_short_16: FUSVQQCTP3SFAUUN · pith_short_8: FUSVQQCT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FUSVQQCTP3SFAUUNDMUW23VA7O \
  | 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: 2d255840537ee450528d1b296d6ea0fbb3e9fdea5e375ac0ce7c54e497913416
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b29a25d295667ec044ccb9bff47cfe51d0a4f1859923b0c55574a3b871c557bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2015-04-20T08:24:18Z",
    "title_canon_sha256": "314f6cd93556d658b61abe77a866e9e15896e021eff2f85d5a072ae7dbd1614d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04965",
    "kind": "arxiv",
    "version": 1
  }
}