Pith Number

pith:R2LRWY5D

pith:2010:R2LRWY5DL235QZGZYJASKEIJ2V

not attested not anchored not stored refs pending

Increasing the coherence time of single electron spins in diamond by high temperature annealing

Anke L\"ammle, Boris Naydenov, Fedor Jelezko, Friedemann Reinhard, J\"org Wrachtrup, Mark Newton, Rafi Kalish, Ulrika F. S. D'Haenens-Johansson, V. Richter

arxiv:1012.0216 v1 · 2010-12-01 · cond-mat.mtrl-sci · 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{R2LRWY5DL235QZGZYJASKEIJ2V}

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	2026-05-18T02:04:36.562516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e971b63a35eb7d864d9c241251109d577ac76fe271bcd410b330240d5325a20

Aliases

arxiv: 1012.0216 · arxiv_version: 1012.0216v1 · doi: 10.48550/arxiv.1012.0216 · pith_short_12: R2LRWY5DL235 · pith_short_16: R2LRWY5DL235QZGZ · pith_short_8: R2LRWY5D

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/R2LRWY5DL235QZGZYJASKEIJ2V \
  | 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: 8e971b63a35eb7d864d9c241251109d577ac76fe271bcd410b330240d5325a20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8e0eed07b4b8c0d8dda934073deadfef27a8ad36ffaf4725f80aab0ed28d798",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2010-12-01T15:25:33Z",
    "title_canon_sha256": "cedbc027e9e6f683b117a9e140b82d71a5ca49d571181e0bd57c6091c937acf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0216",
    "kind": "arxiv",
    "version": 1
  }
}