Pith Number

pith:7L7B7CIX

pith:2025:7L7B7CIXXDMNMPXO5MW3TUV6HF

not attested not anchored not stored refs pending

Waveguide-integrated colour centres in silicon carbide with broadband photonic crystal reflectors for efficient readout

Jawad Ul-Hassan, J\"org Wrachtrup, Julian M. Bopp, Marcel Krumrein, Timo Steidl, Tim Schr\"oder, Vadim Vorobyov, Wolfgang Knolle

arxiv:2512.20200 v1 · 2025-12-23 · 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{7L7B7CIXXDMNMPXO5MW3TUV6HF}

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	2026-06-29T01:14:27.252465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fafe1f8917b8d8d63eeeeb2db9d2be396e13baa305c8d1e53c9002ea3c93116e

Aliases

arxiv: 2512.20200 · arxiv_version: 2512.20200v1 · doi: 10.48550/arxiv.2512.20200 · pith_short_12: 7L7B7CIXXDMN · pith_short_16: 7L7B7CIXXDMNMPXO · pith_short_8: 7L7B7CIX

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/7L7B7CIXXDMNMPXO5MW3TUV6HF \
  | 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: fafe1f8917b8d8d63eeeeb2db9d2be396e13baa305c8d1e53c9002ea3c93116e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c9862d0aa3805ed776764d988588ab81c372b40474affcd273e8e3ed57d92e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-12-23T09:47:44Z",
    "title_canon_sha256": "bff4282fcf88c6b8a84b8b4cdbaa48f38771d925cde3788459bb7650e5e3b71f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.20200",
    "kind": "arxiv",
    "version": 1
  }
}