Pith Number

pith:KXEI2SJ2

pith:1999:KXEI2SJ2DL3FDYQBTVOU6Q7TR2

not attested not anchored not stored refs pending

Unitary-model-operator approach to $\Lambda$ hypernuclei

K. Suzuki, R. Okamoto, S. Fujii

arxiv:nucl-th/9901055 v2 · 1999-01-20 · 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{KXEI2SJ2DL3FDYQBTVOU6Q7TR2}

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	2026-07-04T16:15:19.596898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55c88d493a1af651e2019d5d4f43f38eb1601b9b57879ed92f94993ed5f3cd61

Aliases

arxiv: nucl-th/9901055 · arxiv_version: nucl-th/9901055v2 · doi: 10.48550/arxiv.nucl-th/9901055 · pith_short_12: KXEI2SJ2DL3F · pith_short_16: KXEI2SJ2DL3FDYQB · pith_short_8: KXEI2SJ2

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/KXEI2SJ2DL3FDYQBTVOU6Q7TR2 \
  | 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: 55c88d493a1af651e2019d5d4f43f38eb1601b9b57879ed92f94993ed5f3cd61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da4bc0d64e8b2fe4e2ce8949724e306d4160df54381fdf35168e58551d95e034",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1999-01-20T05:28:44Z",
    "title_canon_sha256": "efebc7a5c94e5cd29e879ccfe83e4ff6fe9fc766b8ed4b4f8c802a4a45f328e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9901055",
    "kind": "arxiv",
    "version": 2
  }
}