pith. sign in
Pith Number

pith:KT3F4T5W

pith:2019:KT3F4T5W5ZPQFT24OONUT5MCWY
not attested not anchored not stored refs pending

Two-electron-spin ratchets as a platform for microwave-free dynamic nuclear polarization of arbitrary material targets

Alexander Pines, Ashok Ajoy, Carlos A. Meriles, Daniela Pagliero, Jacob Henshaw, Jeffrey A. Reimer, Pablo R. Zangara

arxiv:1904.08563 v1 · 2019-04-18 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KT3F4T5W5ZPQFT24OONUT5MCWY}

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 2026-05-17T23:47:24.805577Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

54f65e4fb6ee5f02cf5c739b49f582b63af3476e92bdb0e11164fb0c7d0c47a5

Aliases

arxiv: 1904.08563 · arxiv_version: 1904.08563v1 · doi: 10.48550/arxiv.1904.08563 · pith_short_12: KT3F4T5W5ZPQ · pith_short_16: KT3F4T5W5ZPQFT24 · pith_short_8: KT3F4T5W
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KT3F4T5W5ZPQFT24OONUT5MCWY \
  | 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: 54f65e4fb6ee5f02cf5c739b49f582b63af3476e92bdb0e11164fb0c7d0c47a5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1809d51653186b9d7815221f257199865694fbf238b0eb2ab50b47505716b50f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-18T01:57:07Z",
    "title_canon_sha256": "b54dfb53dd48009f3c74d3b9feb74eab75c3503d379f0f462f26dec004f64cf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08563",
    "kind": "arxiv",
    "version": 1
  }
}