Pith. sign in
Pith Number

pith:LDF5APPV

pith:1998:LDF5APPVMZZJ6C47U5XLTZ7KKF
not attested not anchored not stored refs pending

An improvement on RPA based on a Boson mapping

Peking University), (Physics Department, Shi-Lin Zhu, Ze-sen Yang, Zhi-ning Zhou

arxiv:nucl-th/9802042 v1 · 1998-02-14 · nucl-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LDF5APPVMZZJ6C47U5XLTZ7KKF}

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 2026-07-04T14:42:57.097715Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

58cbd03df566729f0b9fa76eb9e7ea517d987c8e6906fd0a5a600b895fdb77bb

Aliases

arxiv: nucl-th/9802042 · arxiv_version: nucl-th/9802042v1 · doi: 10.48550/arxiv.nucl-th/9802042 · pith_short_12: LDF5APPVMZZJ · pith_short_16: LDF5APPVMZZJ6C47 · pith_short_8: LDF5APPV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LDF5APPVMZZJ6C47U5XLTZ7KKF \
  | 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: 58cbd03df566729f0b9fa76eb9e7ea517d987c8e6906fd0a5a600b895fdb77bb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fec424156a82910f6b658bba6321600dc17e1acf5b4efd15912249baca0dfb31",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1998-02-14T02:08:55Z",
    "title_canon_sha256": "ab305b5b575c037ac4073cfab167bcefa78d0c17c20f72f6e4a85ca3c5303c17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9802042",
    "kind": "arxiv",
    "version": 1
  }
}