Pith Number

pith:UPSVMST4

pith:2022:UPSVMST4JUUXZQSAOJIJ66A6WO

not attested not anchored not stored refs pending

Amplification of quantum signals by the non-Hermitian skin effect

Baile Zhang, Changyan Zhu, Qiang Wang, Yidong Chong, You Wang

arxiv:2202.10727 v2 · 2022-02-22 · 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{UPSVMST4JUUXZQSAOJIJ66A6WO}

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	2026-07-05T04:41:32.779217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e5564a7c4d297cc24072509f781eb3999b6902980fbacc4d24a7d5cadfb021

Aliases

arxiv: 2202.10727 · arxiv_version: 2202.10727v2 · doi: 10.48550/arxiv.2202.10727 · pith_short_12: UPSVMST4JUUX · pith_short_16: UPSVMST4JUUXZQSA · pith_short_8: UPSVMST4

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/UPSVMST4JUUXZQSAOJIJ66A6WO \
  | 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: a3e5564a7c4d297cc24072509f781eb3999b6902980fbacc4d24a7d5cadfb021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32995ee337758dac567175611104f1a05c93d63938f11f16d5f35b86f81e8867",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-02-22T08:39:02Z",
    "title_canon_sha256": "eb4faffc753757335e4dc73e62bf085ee43a2f3b660ce59c966d461d30411cbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10727",
    "kind": "arxiv",
    "version": 2
  }
}