Pith Number

pith:IKG4VWLH

pith:2023:IKG4VWLHUNJUT54XPY2AQMP6SY

not attested not anchored not stored refs pending

Millisecond electron spin coherence time for erbium ions in silicon

Alexey Lyasota, Bin-Bin Xu, Brett C. Johnson, Chunming Yin, Gabriele G. de Boo, Hans-Joachim Pohl, Ian R. Berkman, Jeffrey C. McCallum, John G. Bartholomew, Matthew J. Sellars, Nikolay V. Abrosimov, Rose L. Ahlefeldt, Shao Q. Lim, Shouyi Xie, Sven Rogge

arxiv:2307.10021 v2 · 2023-07-19 · 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{IKG4VWLHUNJUT54XPY2AQMP6SY}

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	2026-07-05T06:34:06.887371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

428dcad967a35349f7977e340831fe9606cdfb6065b4e6c5cdd929be3c278743

Aliases

arxiv: 2307.10021 · arxiv_version: 2307.10021v2 · doi: 10.48550/arxiv.2307.10021 · pith_short_12: IKG4VWLHUNJU · pith_short_16: IKG4VWLHUNJUT54X · pith_short_8: IKG4VWLH

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/IKG4VWLHUNJUT54XPY2AQMP6SY \
  | 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: 428dcad967a35349f7977e340831fe9606cdfb6065b4e6c5cdd929be3c278743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f6f610e7cec1354d361028a676147e639b12b023563fbc5a6c350afc8717759",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-07-19T15:01:12Z",
    "title_canon_sha256": "2ceeaaf29b8da5d2716c469d57bd886dfd7f511479a6277fa7e82ecf60a197f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.10021",
    "kind": "arxiv",
    "version": 2
  }
}