Pith Number

pith:5TL42ZAN

pith:2001:5TL42ZANUVNQACJU2YEU4FR542

not attested not anchored not stored refs pending

Density-Matrix Algorithm for Phonon Hilbert Space Reduction in the Numerical Diagonalization of Quantum Many-Body Systems

Alexander Wei{\ss}e, Gerhard Wellein, Holger Fehske

arxiv:cond-mat/0104533 v1 · 2001-04-27 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TL42ZANUVNQACJU2YEU4FR542}

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	2026-05-18T03:20:33.464293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecd7cd640da55b000934d6094e163de69c61e2db9194cd908d74a46065502d79

Aliases

arxiv: cond-mat/0104533 · arxiv_version: cond-mat/0104533v1 · doi: 10.48550/arxiv.cond-mat/0104533 · pith_short_12: 5TL42ZANUVNQ · pith_short_16: 5TL42ZANUVNQACJU · pith_short_8: 5TL42ZAN

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/5TL42ZANUVNQACJU2YEU4FR542 \
  | 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: ecd7cd640da55b000934d6094e163de69c61e2db9194cd908d74a46065502d79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4122c502409c334083adfb4f6f846e868cb5a1a1a15c333308135c61aa7bf842",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2001-04-27T11:38:15Z",
    "title_canon_sha256": "254f74b7b7d86a7f5476792e0af290b1aa9127281374bb083c9563ccdbc6e86a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0104533",
    "kind": "arxiv",
    "version": 1
  }
}