Pith Number

pith:GV7CI6CQ

pith:2006:GV7CI6CQV45FTMEW3WZWZBGD7T

not attested not anchored not stored refs pending

Density Matrix Renormalization Group for Dummies

D. Rossini, G. De Chiara, M. Rizzi, S. Montangero

arxiv:cond-mat/0603842 v2 · 2006-03-31 · cond-mat.other · 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{GV7CI6CQV45FTMEW3WZWZBGD7T}

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	2026-07-04T15:41:10.397089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

357e247850af3a59b096ddb36c84c3fcce188fdb2d71b9b384548da2f1a0d645

Aliases

arxiv: cond-mat/0603842 · arxiv_version: cond-mat/0603842v2 · doi: 10.48550/arxiv.cond-mat/0603842 · pith_short_12: GV7CI6CQV45F · pith_short_16: GV7CI6CQV45FTMEW · pith_short_8: GV7CI6CQ

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/GV7CI6CQV45FTMEW3WZWZBGD7T \
  | 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: 357e247850af3a59b096ddb36c84c3fcce188fdb2d71b9b384548da2f1a0d645

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "947461ddbcde153750b15377cf9e4d3cfd9f51d090ed5f667f8ee3c9dff60f46",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2006-03-31T08:05:36Z",
    "title_canon_sha256": "c075c0fa1674a4b64d20d791c5abe4ddfb6d2aee3e7961032de19dc0df771171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0603842",
    "kind": "arxiv",
    "version": 2
  }
}