Pith Number

pith:LS2LMG6L

pith:2019:LS2LMG6L2Z72ZCCREMMTAOMH4U

not attested not anchored not stored refs pending

Alignment-free cryogenic optical coupling to an optomechanical crystal

Amir H. Safavi-Naeini, Jeremy D. Witmer, Joseph A. Valery, Rapha\"el Van Laer, Rishi N. Patel, Timothy P. McKenna

arxiv:1904.05293 v1 · 2019-04-10 · 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{LS2LMG6L2Z72ZCCREMMTAOMH4U}

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	2026-05-17T23:48:53.590929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cb4b61bcbd67fac88512319303987e51316ff0aacfbec802cce041c6ae59997

Aliases

arxiv: 1904.05293 · arxiv_version: 1904.05293v1 · doi: 10.48550/arxiv.1904.05293 · pith_short_12: LS2LMG6L2Z72 · pith_short_16: LS2LMG6L2Z72ZCCR · pith_short_8: LS2LMG6L

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/LS2LMG6L2Z72ZCCREMMTAOMH4U \
  | 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: 5cb4b61bcbd67fac88512319303987e51316ff0aacfbec802cce041c6ae59997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b144378cb808916cd6af9c30ef9e01178b662ce6f05a100a5b88a0d8a8444477",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-10T16:57:08Z",
    "title_canon_sha256": "4729bf81b3ccbdb95fabe809c7ae37906a6f7ae96582b99085860b20aae2f7f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05293",
    "kind": "arxiv",
    "version": 1
  }
}