Pith Number

pith:OZSTR4LF

pith:2025:OZSTR4LFCQYHK7WYYYIFOVFVN5

not attested not anchored not stored refs pending

Characterization of spatial Schmidt modes in high-gain SU(1,1) interferometers

D. Scharwald, P. R. Sharapova

arxiv:2504.19377 v2 · 2025-04-27 · 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{OZSTR4LFCQYHK7WYYYIFOVFVN5}

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	2026-06-02T01:03:31.343569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

766538f1651430757ed8c6105754b56f73b9c8842ef4d4f09efa88649ecefd6e

Aliases

arxiv: 2504.19377 · arxiv_version: 2504.19377v2 · doi: 10.48550/arxiv.2504.19377 · pith_short_12: OZSTR4LFCQYH · pith_short_16: OZSTR4LFCQYHK7WY · pith_short_8: OZSTR4LF

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/OZSTR4LFCQYHK7WYYYIFOVFVN5 \
  | 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: 766538f1651430757ed8c6105754b56f73b9c8842ef4d4f09efa88649ecefd6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79bbcb0484fd747786cdad5bc38f249ef9304a25947cb38a1a32904a89fca40c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-27T22:50:18Z",
    "title_canon_sha256": "6cbb1fbb411fdd5f4736e98d34df39f38968f7f6d119eb7218825fac4c8fecf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19377",
    "kind": "arxiv",
    "version": 2
  }
}