Pith Number

pith:66JACLDA

pith:2026:66JACLDAGQ4ATGJHDMXTHVORSQ

not attested not anchored not stored refs pending

Parahydrogen Cooling of Nuclear Spin Chains at Hypogeomagnetic Fields

Alexandra Yurkovskaya, Alexey Kiryutin, Danila Barskiy, Danil Markelov, Erik Van Dyke, Ivan Zhukov

arxiv:2606.09649 v1 · 2026-06-08 · quant-ph · physics.chem-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{66JACLDAGQ4ATGJHDMXTHVORSQ}

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	2026-06-09T02:09:01.350297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f792012c6034380999271b2f33d5d194256d7616a0cc376ab1e8285e03f1285f

Aliases

arxiv: 2606.09649 · arxiv_version: 2606.09649v1 · doi: 10.48550/arxiv.2606.09649 · pith_short_12: 66JACLDAGQ4A · pith_short_16: 66JACLDAGQ4ATGJH · pith_short_8: 66JACLDA

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/66JACLDAGQ4ATGJHDMXTHVORSQ \
  | 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: f792012c6034380999271b2f33d5d194256d7616a0cc376ab1e8285e03f1285f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e71f1aafe05cd643bc3ee5cf225a203252a4ec69962128b572d63f4e434be23",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-08T15:40:59Z",
    "title_canon_sha256": "c4ea493b92ec7d5ef0b273a6290f99880f2bb6608b389345cfbed47dc6c6e81c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09649",
    "kind": "arxiv",
    "version": 1
  }
}