Pith Number

pith:F7LULA2D

pith:2020:F7LULA2DPWG4ZL2KPTEF25QWCN

not attested not anchored not stored refs pending

Stabilization of $866$ nm laser with Pound-Drever-Hall (PDH) technique for quantum manipulation of Ca+ ion in Paul trap

Siddhant Singh

arxiv:2007.00768 v1 · 2020-06-25 · physics.ins-det · physics.optics · 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{F7LULA2DPWG4ZL2KPTEF25QWCN}

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	2026-07-05T01:15:41.076053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd74583437d8dccaf4a7cc85d76161368fb920e084cc4664fcb9658eb11e412

Aliases

arxiv: 2007.00768 · arxiv_version: 2007.00768v1 · doi: 10.48550/arxiv.2007.00768 · pith_short_12: F7LULA2DPWG4 · pith_short_16: F7LULA2DPWG4ZL2K · pith_short_8: F7LULA2D

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/F7LULA2DPWG4ZL2KPTEF25QWCN \
  | 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: 2fd74583437d8dccaf4a7cc85d76161368fb920e084cc4664fcb9658eb11e412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4e41b381f6fcd30c29e9d326cad76a855c96eb73d4abd268d4bca36228654cc",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2020-06-25T14:19:33Z",
    "title_canon_sha256": "cc592c317e5b11ab3dc3611866b7b9658f803b63114f5c3b5d10e94b4114455e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.00768",
    "kind": "arxiv",
    "version": 1
  }
}