Pith Number

pith:YX2LVGMW

pith:2013:YX2LVGMW57JHQ5EOKVQTTDWRN5

not attested not anchored not stored refs pending

Variational optimization of the 2DM: approaching three-index accuracy using extended cluster constraints

Brecht Verstichel, Dimitri Van Neck, Sebastian Wouters, Stijn De Baerdemacker, Ward Poelmans

arxiv:1307.1002 v3 · 2013-07-03 · cond-mat.str-el · 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{YX2LVGMW57JHQ5EOKVQTTDWRN5}

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	2026-05-18T02:56:32.620215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5f4ba9996efd278748e5561398ed16f450f17b5d80786841e6a839a127e1d5e

Aliases

arxiv: 1307.1002 · arxiv_version: 1307.1002v3 · doi: 10.48550/arxiv.1307.1002 · pith_short_12: YX2LVGMW57JH · pith_short_16: YX2LVGMW57JHQ5EO · pith_short_8: YX2LVGMW

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/YX2LVGMW57JHQ5EOKVQTTDWRN5 \
  | 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: c5f4ba9996efd278748e5561398ed16f450f17b5d80786841e6a839a127e1d5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7058a4e0d9710a6301a4e221e2335ae64c559450c44018d4542ef66ce3dd7d06",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-07-03T13:12:46Z",
    "title_canon_sha256": "6112d31c26e1c19f683125bbf41874f9bb1c17b43c45c7c84ca7926100a46cc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1002",
    "kind": "arxiv",
    "version": 3
  }
}