Pith Number

pith:GRMQ2257

pith:2025:GRMQ2257L5J3GOZXBSYB4LAWKY

not attested not anchored not stored refs pending

Measuring unitary invariants with the quantum switch

Ernesto F. Galv\~ao, Pedro C. Azado, Rafael Wagner, Rui S. Barbosa

arxiv:2508.02345 v1 · 2025-08-04 · 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{GRMQ2257L5J3GOZXBSYB4LAWKY}

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

2 papers in Pith

Bargmann Scenarios

Receipt and verification

First computed	2026-07-05T11:48:12.728025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34590d6bbf5f53b33b370cb01e2c165632a5b27ba92d719eaa76b5ef6fae29db

Aliases

arxiv: 2508.02345 · arxiv_version: 2508.02345v1 · doi: 10.48550/arxiv.2508.02345 · pith_short_12: GRMQ2257L5J3 · pith_short_16: GRMQ2257L5J3GOZX · pith_short_8: GRMQ2257

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/GRMQ2257L5J3GOZXBSYB4LAWKY \
  | 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: 34590d6bbf5f53b33b370cb01e2c165632a5b27ba92d719eaa76b5ef6fae29db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8820c7f12e8e1252f0013a02e8a51fd2a10ab90bafb7bf9411edddbf10e5719",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-04T12:26:55Z",
    "title_canon_sha256": "519932e59904998fc031dd28b8585b23deb7974dc424701c8aa7d19798b49d77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.02345",
    "kind": "arxiv",
    "version": 1
  }
}