Pith Number

pith:S4CLDA3I

pith:2025:S4CLDA3IBPGEQDYFLHFDVWHV52

not attested not anchored not stored refs pending

Estimation of the reduced density matrix and entanglement entropies using autoregressive networks

Dawid Zapolski, Piotr Bia{\l}as, Piotr Korcyl, Tomasz Stebel

arxiv:2506.04170 v1 · 2025-06-04 · quant-ph · cond-mat.stat-mech · cs.LG · hep-lat · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S4CLDA3IBPGEQDYFLHFDVWHV52}

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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.

Cited by

2 papers in Pith

Variational Autoregressive Networks with probability priors

Sampling two-dimensional spin systems with transformers

Receipt and verification

First computed	2026-05-20T00:05:29.519359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9704b183680bcc480f0559ca3ad8f5eea1ca31860b9f6ffaec12c83a9330629a

Aliases

arxiv: 2506.04170 · arxiv_version: 2506.04170v1 · doi: 10.48550/arxiv.2506.04170 · pith_short_12: S4CLDA3IBPGE · pith_short_16: S4CLDA3IBPGEQDYF · pith_short_8: S4CLDA3I

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/S4CLDA3IBPGEQDYFLHFDVWHV52 \
  | 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: 9704b183680bcc480f0559ca3ad8f5eea1ca31860b9f6ffaec12c83a9330629a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d7ae2e090051fe11051bc55136da0a3a45e9a3eea577480d92758260c222884",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.LG",
      "hep-lat",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-04T17:08:19Z",
    "title_canon_sha256": "ad3aa8191745945ce790fa25ec6b58fa7cb3f22923097cbf09a0304d3223da0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04170",
    "kind": "arxiv",
    "version": 1
  }
}