Pith Number

pith:HEWYD3VJ

pith:2015:HEWYD3VJDKRG2TA72CMZ6FKHWC

not attested not anchored not stored refs pending

All-optical preparation of coherent dark states of a single rare earth ion spin in a crystal

Andreas D. Wieck, Bruno Villa, J\"org Wrachtrup, Kangwei Xia, Nadezhda Kukharchyk, Petr Siyushev, Rolf Reuter, Roman Kolesov, Sen Yang, Thomas Kornher, Ya Wang

arxiv:1505.01673 v2 · 2015-05-07 · physics.optics · 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{HEWYD3VJDKRG2TA72CMZ6FKHWC}

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	2026-05-18T01:34:34.705812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

392d81eea91aa26d4c1fd0999f1547b08792fbd8251742b06619eba4f99870c8

Aliases

arxiv: 1505.01673 · arxiv_version: 1505.01673v2 · doi: 10.48550/arxiv.1505.01673 · pith_short_12: HEWYD3VJDKRG · pith_short_16: HEWYD3VJDKRG2TA7 · pith_short_8: HEWYD3VJ

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/HEWYD3VJDKRG2TA72CMZ6FKHWC \
  | 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: 392d81eea91aa26d4c1fd0999f1547b08792fbd8251742b06619eba4f99870c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c55d234088f8845a99db0503f3a617914e9307110d00cf814878e69db294ee2",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-05-07T11:59:03Z",
    "title_canon_sha256": "731aa3a261beb0c095fe7a04541e5ec0949c44675d1370b90db8b86540e34fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01673",
    "kind": "arxiv",
    "version": 2
  }
}