Pith Number

pith:56NP6LHM

pith:2016:56NP6LHMPL6C3FITH4QDXU2PKY

not attested not anchored not stored refs pending

Multi-reference perturbation theory with Cholesky decomposition for the density matrix renormalization group

Celestino Angeli, Leon Freitag, Markus Reiher, Stefan Knecht

arxiv:1608.02006 v1 · 2016-08-05 · physics.chem-ph · cond-mat.str-el · physics.comp-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{56NP6LHMPL6C3FITH4QDXU2PKY}

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	2026-05-18T00:49:32.253461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9aff2cec7afc2d95133f203bd34f5612b1a2bf31b088a773072079256802e2

Aliases

arxiv: 1608.02006 · arxiv_version: 1608.02006v1 · doi: 10.48550/arxiv.1608.02006 · pith_short_12: 56NP6LHMPL6C · pith_short_16: 56NP6LHMPL6C3FIT · pith_short_8: 56NP6LHM

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/56NP6LHMPL6C3FITH4QDXU2PKY \
  | 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: ef9aff2cec7afc2d95133f203bd34f5612b1a2bf31b088a773072079256802e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a099ef0cb509c5a7269bac9225e14b73ab0f6eb11d7eb7f6d05391c3da3878cb",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2016-08-05T20:03:42Z",
    "title_canon_sha256": "ffe864afc29d8203853fc07f73b663f80b5cef332316205d8c6ad1b2c8c094e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02006",
    "kind": "arxiv",
    "version": 1
  }
}