Pith Number

pith:NP3FQMDB

pith:2025:NP3FQMDBTGMCADAQ43UWRVFFZV

not attested not anchored not stored refs pending

Asymmetrical Filtering Impairments Mitigation for Digital- Subcarrier-Multiplexing Transmissions Enabled by Multiplication-free K-State Reserved Complex MLSE

Chengbo Li, Da Hu, Heng Zhang, Hexun Jiang, Lei Shi, Shuai Wei, Weiqin Zhou, Wenjing Yu, Ye Zhao, Yicong Tu, Yongben Wang, Yong Chen, Zhuo Wang

arxiv:2507.23351 v1 · 2025-07-31 · 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{NP3FQMDBTGMCADAQ43UWRVFFZV}

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	2026-07-05T11:46:10.670713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf65830619998200c10e6e968d4a5cd5b52d7342d49fa97eb25432b4d3273e4

Aliases

arxiv: 2507.23351 · arxiv_version: 2507.23351v1 · doi: 10.48550/arxiv.2507.23351 · pith_short_12: NP3FQMDBTGMC · pith_short_16: NP3FQMDBTGMCADAQ · pith_short_8: NP3FQMDB

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/NP3FQMDBTGMCADAQ43UWRVFFZV \
  | 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: 6bf65830619998200c10e6e968d4a5cd5b52d7342d49fa97eb25432b4d3273e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d02206d8c7a2f594d39d60d38a70487a985fd5e0c9632d4c060583cb44f2a9f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-31T08:57:34Z",
    "title_canon_sha256": "d4c92309eae8353dc5f63fb26964f9dc136d489300267e53dd21eb3b9d21e14a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23351",
    "kind": "arxiv",
    "version": 1
  }
}