Pith Number

pith:FN3DIUJR

pith:2026:FN3DIUJRBW2AL6CIIDSF3SSZG3

not attested not anchored not stored refs pending

Optimal tomography of bosonic and fermionic Gaussian states

Filippo Girardi, Francesco Anna Mele, Freek Witteveen, Ludovico Lami, Marco Fanizza, Michael Walter, Senrui Chen

arxiv:2607.11847 v1 · 2026-07-13 · quant-ph · cond-mat.other · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FN3DIUJRBW2AL6CIIDSF3SSZG3}

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	2026-07-14T02:22:35.809003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b763451310db405f84840e45dca5936e4a325bbdb6b3257038b08e2b8d76c84

Aliases

arxiv: 2607.11847 · arxiv_version: 2607.11847v1 · doi: 10.48550/arxiv.2607.11847 · pith_short_12: FN3DIUJRBW2A · pith_short_16: FN3DIUJRBW2AL6CI · pith_short_8: FN3DIUJR

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/FN3DIUJRBW2AL6CIIDSF3SSZG3 \
  | 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: 2b763451310db405f84840e45dca5936e4a325bbdb6b3257038b08e2b8d76c84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3565423f9909b595a9af5406b3d9ecdef9f5b2becf6741a9d8f65b86c9ce62e8",
    "cross_cats_sorted": [
      "cond-mat.other",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-13T17:37:46Z",
    "title_canon_sha256": "5e46748a1127d1b4c999399a1e8b98f16fafb6cc6db1181c3e8444daaafcb693"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.11847",
    "kind": "arxiv",
    "version": 1
  }
}