Pith Number

pith:4KZX4I37

pith:2015:4KZX4I37SBXEZWAWRRYPU2KYC2

not attested not anchored not stored refs pending

Density-Matrix Renormalization Group Algorithm with Multi-Level Active Space

Haibo Ma, Jing Wen, Yingjin Ma

arxiv:1507.05264 v1 · 2015-07-19 · cond-mat.str-el · physics.chem-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{4KZX4I37SBXEZWAWRRYPU2KYC2}

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	2026-05-18T01:00:17.521637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2b37e237f906e4cd8168c70fa6958169edc386ea08ca3e43b685cbb45f2adef

Aliases

arxiv: 1507.05264 · arxiv_version: 1507.05264v1 · doi: 10.48550/arxiv.1507.05264 · pith_short_12: 4KZX4I37SBXE · pith_short_16: 4KZX4I37SBXEZWAW · pith_short_8: 4KZX4I37

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/4KZX4I37SBXEZWAWRRYPU2KYC2 \
  | 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: e2b37e237f906e4cd8168c70fa6958169edc386ea08ca3e43b685cbb45f2adef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86cc1e47178c06294c9df99d9724abc6e910d824d6930f8a5c0436d179258b41",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-07-19T09:01:48Z",
    "title_canon_sha256": "e7f68636f2f35782bca7a36121daea09ff212903a958183ea499b484239e1da9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05264",
    "kind": "arxiv",
    "version": 1
  }
}