Pith Number

pith:H3KOIIIR

pith:2009:H3KOIIIRZI6JWUKSBNCM5YOHRO

not attested not anchored not stored refs pending

Magnetic field sensors using 13-spin cat states

Arzhang Ardavan, John J. L. Morton, Jonathan A. Jones, Stephanie Simmons, Steven D. Karlen

arxiv:0907.1372 v3 · 2009-07-09 · 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{H3KOIIIRZI6JWUKSBNCM5YOHRO}

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	2026-05-18T04:34:54.426010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ed4e42111ca3c9b51520b44cee1c78ba9a39cdcf78c8144e7487513a8f82a37

Aliases

arxiv: 0907.1372 · arxiv_version: 0907.1372v3 · doi: 10.48550/arxiv.0907.1372 · pith_short_12: H3KOIIIRZI6J · pith_short_16: H3KOIIIRZI6JWUKS · pith_short_8: H3KOIIIR

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/H3KOIIIRZI6JWUKSBNCM5YOHRO \
  | 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: 3ed4e42111ca3c9b51520b44cee1c78ba9a39cdcf78c8144e7487513a8f82a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7e33227a642df131a9cbac492cbdc7c87027e3c023207bac32e78df739c6827",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-09T12:54:39Z",
    "title_canon_sha256": "801a8843bc040deccfc2c35ba3470dd5f4c7642160df7bcaeff74f64dce4d3e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1372",
    "kind": "arxiv",
    "version": 3
  }
}