Pith Number

pith:JCZAGCPI

pith:2026:JCZAGCPI2PHSKF5TUHZQMKBV7Z

not attested not anchored not stored refs pending

Performance Benchmarking: Software for the Density Matrix Renormalization Group

Lars Karlsson, Paolo Bientinesi, Per Sehlstedt

arxiv:2607.28369 v1 · 2026-07-30 · physics.comp-ph · cs.CE · cs.MS · physics.chem-ph · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCZAGCPI2PHSKF5TUHZQMKBV7Z}

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	2026-07-31T01:37:27.755631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

48b20309e8d3cf2517b3a1f3062835fe498f7de61e92ab74413b3a3ad24a09e2

Aliases

arxiv: 2607.28369 · arxiv_version: 2607.28369v1 · doi: 10.48550/arxiv.2607.28369 · pith_short_12: JCZAGCPI2PHS · pith_short_16: JCZAGCPI2PHSKF5T · pith_short_8: JCZAGCPI

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/JCZAGCPI2PHSKF5TUHZQMKBV7Z \
  | 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: 48b20309e8d3cf2517b3a1f3062835fe498f7de61e92ab74413b3a3ad24a09e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9027271caad574b9695b9422bdce41848e584be82ce8754ced8fb13335982a50",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.MS",
      "physics.chem-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-07-30T15:30:52Z",
    "title_canon_sha256": "71037598699ecf6a942b8976d96297e973fbc6b507e1d07be0e28719cdf886d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28369",
    "kind": "arxiv",
    "version": 1
  }
}