Pith Number

pith:7MSZDWTL

pith:2025:7MSZDWTLSULTEQXR2V2YMBSAYF

not attested not anchored not stored refs pending

Cartan Quantum Metrology

Gabriele Fazio, Jiayu He, Matteo G. A. Paris

arxiv:2502.08379 v1 · 2025-02-12 · 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{7MSZDWTLSULTEQXR2V2YMBSAYF}

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

Reconstructing the unitary part of a noisy quantum channel

Receipt and verification

First computed	2026-07-05T10:13:21.957587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb2591da6b95173242f1d575860640c166f3b635a29640d87f40b05aa0e49506

Aliases

arxiv: 2502.08379 · arxiv_version: 2502.08379v1 · doi: 10.48550/arxiv.2502.08379 · pith_short_12: 7MSZDWTLSULT · pith_short_16: 7MSZDWTLSULTEQXR · pith_short_8: 7MSZDWTL

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/7MSZDWTLSULTEQXR2V2YMBSAYF \
  | 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: fb2591da6b95173242f1d575860640c166f3b635a29640d87f40b05aa0e49506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa7066f9a9919681018955eae617841bf0a74a50d7873a4baec81a5b9ac6e2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-12T13:13:09Z",
    "title_canon_sha256": "f54719eb2d6b26f58a676254f8a2c081e9aa7c7abdf08d2c9bfbe54ee4e5aa23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08379",
    "kind": "arxiv",
    "version": 1
  }
}