Pith Number

pith:SBLWNZHU

pith:2012:SBLWNZHUBJCDDICVBH7PQR2NL6

not attested not anchored not stored refs pending

Entangled states of trapped ions allow measuring the magnetic field gradient of a single atomic spin

F. Schmidt-Kaler, R. Gerritsma

arxiv:1207.0846 v1 · 2012-07-03 · quant-ph · physics.atom-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{SBLWNZHUBJCDDICVBH7PQR2NL6}

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	2026-05-18T01:56:35.131483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

905766e4f40a4431a05509fef8474d5fbdc2697abfb06da28c9f4ffaa43c2269

Aliases

arxiv: 1207.0846 · arxiv_version: 1207.0846v1 · doi: 10.48550/arxiv.1207.0846 · pith_short_12: SBLWNZHUBJCD · pith_short_16: SBLWNZHUBJCDDICV · pith_short_8: SBLWNZHU

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/SBLWNZHUBJCDDICVBH7PQR2NL6 \
  | 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: 905766e4f40a4431a05509fef8474d5fbdc2697abfb06da28c9f4ffaa43c2269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ce2c3bfe584c2be1d712a75680adb0f67f10103e4db47f50f1627424535522e",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-03T22:16:53Z",
    "title_canon_sha256": "084751818d33a61a8d2d0b2b2012cfbcac4e80efd9f86d077a483b84601f31fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0846",
    "kind": "arxiv",
    "version": 1
  }
}