Pith Number

pith:HT45ZF2L

pith:2026:HT45ZF2LWCTEZ46O2DL467EQPL

not attested not anchored not stored refs pending

Enhancing Phase Estimation in a Hybrid Interferometer via Kerr Nonlinearity and Photon Subtraction

Cunjin Liu, Jifeng Sun, Lifen Guo, Liyun Hu, Qingqian Kang, Teng Zhao, Xin Su, Zekun Zhao

arxiv:2605.20893 v1 · 2026-05-20 · 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{HT45ZF2LWCTEZ46O2DL467EQPL}

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	2026-05-21T01:05:26.799261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cf9dc974bb0a64cf3ced0d7cf7c907afe4ec796d6a27a332acd13e5110fed05

Aliases

arxiv: 2605.20893 · arxiv_version: 2605.20893v1 · doi: 10.48550/arxiv.2605.20893 · pith_short_12: HT45ZF2LWCTE · pith_short_16: HT45ZF2LWCTEZ46O · pith_short_8: HT45ZF2L

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/HT45ZF2LWCTEZ46O2DL467EQPL \
  | 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: 3cf9dc974bb0a64cf3ced0d7cf7c907afe4ec796d6a27a332acd13e5110fed05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73f5b32daf13e9c3927b83d98775e0e74ed4deda8f1bfffb0a72961817aa29dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-20T08:32:53Z",
    "title_canon_sha256": "7cbe426e19a8eb33929fd8fe85df984b89c0899ce55b76de09bacf2f217a9866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20893",
    "kind": "arxiv",
    "version": 1
  }
}