Pith Number

pith:HZ662QVH

pith:1999:HZ662QVHU3BECFXADSQVEF5K4W

not attested not anchored not stored refs pending

Quantum ergodicity for electrons in two dimensions

Dima L. Shepelyansky, Pil Hun Song (CNRS, Seoul National University), Toulouse

arxiv:cond-mat/9907444 v2 · 1999-07-28 · cond-mat

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZ662QVHU3BECFXADSQVEF5K4W}

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	2026-05-18T00:34:16.934981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e7ded42a7a6c24116e01ca15217aae59547020b99ff365c941fc39c28b243be

Aliases

arxiv: cond-mat/9907444 · arxiv_version: cond-mat/9907444v2 · doi: 10.48550/arxiv.cond-mat/9907444 · pith_short_12: HZ662QVHU3BE · pith_short_16: HZ662QVHU3BECFXA · pith_short_8: HZ662QVH

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/HZ662QVHU3BECFXADSQVEF5K4W \
  | 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: 3e7ded42a7a6c24116e01ca15217aae59547020b99ff365c941fc39c28b243be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11ad78acad894295751e5594d9b3d7ad55f040cb1a4e7885f84f1d4451cedfb0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-07-28T13:59:45Z",
    "title_canon_sha256": "33a3d28aa456bbcbbd07c0459a17abe78d991ee8f3108d2e6778b63b272a9494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9907444",
    "kind": "arxiv",
    "version": 2
  }
}