Pith Number

pith:7SUABKT6

pith:2019:7SUABKT67TKDWF7UDLUUNIC6HH

not attested not anchored not stored refs pending

Optimal unidirectional amplification induced by optical gain in optomechanical systems

Cheng Jiang, L. N. Song, Qiang Zheng, Xun-Wei Xu, Yong Li

arxiv:1905.08433 v2 · 2019-05-21 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SUABKT67TKDWF7UDLUUNIC6HH}

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	2026-07-05T01:24:27.065189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fca800aa7efcd43b17f41ae946a05e39f4a2fd0149fc679e7ae561075371bc3c

Aliases

arxiv: 1905.08433 · arxiv_version: 1905.08433v2 · doi: 10.48550/arxiv.1905.08433 · pith_short_12: 7SUABKT67TKD · pith_short_16: 7SUABKT67TKDWF7U · pith_short_8: 7SUABKT6

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/7SUABKT67TKDWF7UDLUUNIC6HH \
  | 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: fca800aa7efcd43b17f41ae946a05e39f4a2fd0149fc679e7ae561075371bc3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e22d3453ba8e26b65b890a9a6a2172d74ba69412d8c0a5e3ff9bd7b0c24a9f93",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-21T03:42:33Z",
    "title_canon_sha256": "afc42328793b69939e793bc4fdca806683e82f321860e25eccb413741d478528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08433",
    "kind": "arxiv",
    "version": 2
  }
}