Pith Number

pith:BBWPLYUU

pith:2025:BBWPLYUU32NGNUX523ATTIBFGO

not attested not anchored not stored refs pending

Predicting fermionic densities using a Projected Quantum Kernel method

Francesco Perciavalle, Francesco Plastina, Michele Pisarra, Nicola Lo Gullo

arxiv:2504.14002 v2 · 2025-04-18 · quant-ph · cond-mat.str-el · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBWPLYUU32NGNUX523ATTIBFGO}

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	2026-07-05T12:01:22.137853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

086cf5e294de9a66d2fdd6c139a02533815345ec10960fdab6c0b2afcb2994d8

Aliases

arxiv: 2504.14002 · arxiv_version: 2504.14002v2 · doi: 10.48550/arxiv.2504.14002 · pith_short_12: BBWPLYUU32NG · pith_short_16: BBWPLYUU32NGNUX5 · pith_short_8: BBWPLYUU

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/BBWPLYUU32NGNUX523ATTIBFGO \
  | 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: 086cf5e294de9a66d2fdd6c139a02533815345ec10960fdab6c0b2afcb2994d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfcee6480fb5155608602c6cd979d435246472db180fb69eec8f190aa423e5b5",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-18T18:00:03Z",
    "title_canon_sha256": "6e4c322ad3f90d61e6d778faf84e24b2b20dae064e5a762728aa015dab860196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14002",
    "kind": "arxiv",
    "version": 2
  }
}