Pith Number

pith:QYYZB6U3

pith:1999:QYYZB6U37XMRQ6C7ZBWLMPJXMQ

not attested not anchored not stored refs pending

Exact Study of the Effect of Level Statistics in Ultrasmall Superconducting Grains

Fabian Braun, G. G. Dussel, G. Sierra, Jan von Delft, J. Dukelsky

arxiv:cond-mat/9909015 v1 · 1999-09-01 · cond-mat.supr-con · 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{QYYZB6U37XMRQ6C7ZBWLMPJXMQ}

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	2026-07-04T16:13:14.192881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

863190fa9bfdd918785fc86cb63d37640d64ae67fcd4158736710868da80d50d

Aliases

arxiv: cond-mat/9909015 · arxiv_version: cond-mat/9909015v1 · doi: 10.48550/arxiv.cond-mat/9909015 · pith_short_12: QYYZB6U37XMR · pith_short_16: QYYZB6U37XMRQ6C7 · pith_short_8: QYYZB6U3

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/QYYZB6U37XMRQ6C7ZBWLMPJXMQ \
  | 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: 863190fa9bfdd918785fc86cb63d37640d64ae67fcd4158736710868da80d50d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "350982743fb5e77d879b69848276b3c460c1e461df26dc78dc1cab77fbb5afca",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1999-09-01T15:22:15Z",
    "title_canon_sha256": "c39ae5a7a8a65bfd822f031b63180919aa9c29a92825381102d3403cd6b15df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9909015",
    "kind": "arxiv",
    "version": 1
  }
}