Pith Number

pith:6UXALEN6

pith:2026:6UXALEN6I5R7DJ5SQZXLWAJR2K

not attested not anchored not stored refs pending

A transition-metal qubit in diamond with all-optical control and millisecond quantum memory

D. J. Twitchen, I.M. Morris, J. Meijer, J. N. Becker, L. Crooks, S. Pezzagna, S. S. Nicley, T. Alberth, T. L\"uhmann

arxiv:2607.02258 v1 · 2026-07-02 · quant-ph · cond-mat.other · physics.atom-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{6UXALEN6I5R7DJ5SQZXLWAJR2K}

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	2026-07-03T01:17:46.792348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f52e0591be4763f1a7b2866ebb0131d2a833cf68f414a1e31b7ba67e3257ccdd

Aliases

arxiv: 2607.02258 · arxiv_version: 2607.02258v1 · doi: 10.48550/arxiv.2607.02258 · pith_short_12: 6UXALEN6I5R7 · pith_short_16: 6UXALEN6I5R7DJ5S · pith_short_8: 6UXALEN6

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/6UXALEN6I5R7DJ5SQZXLWAJR2K \
  | 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: f52e0591be4763f1a7b2866ebb0131d2a833cf68f414a1e31b7ba67e3257ccdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39fa734684b6cbc4ba9236b41ee9c348e3419573f52b2489ae4ecdb902a5b68a",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-02T14:46:01Z",
    "title_canon_sha256": "c9a3ea5574365f8b3521f0548b9a06459827cc138d9017ffc3fc94dad21368f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02258",
    "kind": "arxiv",
    "version": 1
  }
}