Pith Number

pith:BWVIJXLK

pith:2026:BWVIJXLKPCJDD3PK6WDTNRSIB4

not attested not anchored not stored refs pending

Color-Center-Compatible Freestanding Diamond Directional Couplers for Quantum Photonics

Colin Sauerzapf, Jonathan En{\ss}lin, J\"org Wrachtrup, Oliver von Berg, Rainer St\"ohr, Roman Kolesov, Tom J\"ager, Vadim Vorobyov, Vladislav Bushmakin

arxiv:2606.24576 v1 · 2026-06-23 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWVIJXLKPCJDD3PK6WDTNRSIB4}

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	2026-06-24T01:15:34.346886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0daa84dd6a789231edeaf58736c6480f085fbec577de95857534dec7fdd9f4a4

Aliases

arxiv: 2606.24576 · arxiv_version: 2606.24576v1 · doi: 10.48550/arxiv.2606.24576 · pith_short_12: BWVIJXLKPCJD · pith_short_16: BWVIJXLKPCJDD3PK · pith_short_8: BWVIJXLK

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/BWVIJXLKPCJDD3PK6WDTNRSIB4 \
  | 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: 0daa84dd6a789231edeaf58736c6480f085fbec577de95857534dec7fdd9f4a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30ec2c6b4a20b311de481797da4055c05b231dc9bf4f200d76b190b545e82829",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-23T13:41:38Z",
    "title_canon_sha256": "7e51b9f4f99d47bbef3428f9582efcc08461469d7a2b5880a9169ec3f97c7066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24576",
    "kind": "arxiv",
    "version": 1
  }
}