Pith Number

pith:33LG6CXR

pith:1998:33LG6CXR5645Z74UUI2FG5SNNF

not attested not anchored not stored refs pending

Hyper-sparsity of the density matrix in a wavelet representation

O. V. Ivanov, S. Goedecker

arxiv:cond-mat/9806069 v1 · 1998-06-05 · 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{33LG6CXR5645Z74UUI2FG5SNNF}

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	2026-07-04T14:23:07.949596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded66f0af1efb9dcff94a23453764d694e30553cf68ea5a4c0940594529c4559

Aliases

arxiv: cond-mat/9806069 · arxiv_version: cond-mat/9806069v1 · doi: 10.48550/arxiv.cond-mat/9806069 · pith_short_12: 33LG6CXR5645 · pith_short_16: 33LG6CXR5645Z74U · pith_short_8: 33LG6CXR

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/33LG6CXR5645Z74UUI2FG5SNNF \
  | 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: ded66f0af1efb9dcff94a23453764d694e30553cf68ea5a4c0940594529c4559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89f9bc3b3932180a0e587a8547721dbc1d4fa2b091a45cdc10eb6517671d147e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1998-06-05T10:13:08Z",
    "title_canon_sha256": "8713916ef9d1dcc5b5a1bc0044e7e6ab6b077d2fe0521d72cbb1e42f15ecbd4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9806069",
    "kind": "arxiv",
    "version": 1
  }
}