Pith Number

pith:XFTQUPKH

pith:2025:XFTQUPKH6Y6O7PWRHF4C57UDW7

not attested not anchored not stored refs pending

Clifford-Dressed Variational Principles for Precise Loschmidt Echoes

Alessandro Santini, Antonio Francesco Mello, Mario Collura

arxiv:2502.01872 v1 · 2025-02-03 · 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{XFTQUPKH6Y6O7PWRHF4C57UDW7}

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.

Cited by

1 paper in Pith

Overcoming the entanglement barrier with sampled tensor networks

Receipt and verification

First computed	2026-07-05T10:58:23.034525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9670a3d47f63cefbed139782efe83b7d7ca7a6d1ab139fb6673e6f2b189bb4f

Aliases

arxiv: 2502.01872 · arxiv_version: 2502.01872v1 · doi: 10.48550/arxiv.2502.01872 · pith_short_12: XFTQUPKH6Y6O · pith_short_16: XFTQUPKH6Y6O7PWR · pith_short_8: XFTQUPKH

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/XFTQUPKH6Y6O7PWRHF4C57UDW7 \
  | 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: b9670a3d47f63cefbed139782efe83b7d7ca7a6d1ab139fb6673e6f2b189bb4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1aaf0900dff23f068f0f34b7b0334dfcb64b90b843eced6b9bebab87f4b29ff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-03T22:43:32Z",
    "title_canon_sha256": "87de4ddd008f982cc85e82bc480619f0d441e05ff11ec843000810257f6c853a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01872",
    "kind": "arxiv",
    "version": 1
  }
}