Pith Number

pith:6GSHCZQQ

pith:1999:6GSHCZQQDZXMFJ4LRX46QENRX4

not attested not anchored not stored refs pending

Truncation of Large Shell-Model Eigenproblems by Model Space Partitioning

A. Porrino, F. Andreozzi

arxiv:nucl-th/9906070 v1 · 1999-06-24 · 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{6GSHCZQQDZXMFJ4LRX46QENRX4}

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	2026-05-18T01:05:17.736121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1a47166101e6ec2a78b8df9e811b1bf334c09227f2da4fe0a4cba3cb59ee1ee

Aliases

arxiv: nucl-th/9906070 · arxiv_version: nucl-th/9906070v1 · doi: 10.48550/arxiv.nucl-th/9906070 · pith_short_12: 6GSHCZQQDZXM · pith_short_16: 6GSHCZQQDZXMFJ4L · pith_short_8: 6GSHCZQQ

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/6GSHCZQQDZXMFJ4LRX46QENRX4 \
  | 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: f1a47166101e6ec2a78b8df9e811b1bf334c09227f2da4fe0a4cba3cb59ee1ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b10a31a0899c7d7a09fe743698608426ab55a056feebcf6ec73455847015c02",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1999-06-24T11:01:26Z",
    "title_canon_sha256": "6b6a469315847e3fcb8145a5ba748b8b738476848335744f75b2ada565db08b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9906070",
    "kind": "arxiv",
    "version": 1
  }
}