Pith Number

pith:U6IU2HGG

pith:2018:U6IU2HGGHJL4K52LN2ZAJ6YCNX

not attested not anchored not stored refs pending

80-Channel WDM-MDM Transmission over 50-km Ring-Core Fiber Using a Compact OAM DEMUX and Modular 4x4 MIMO Equalization

Changjian Guo, Heyun Tan, Jiangbo Zhu, Jie Liu, Junwei Zhang, Lei Shen, Maochun Wang, Siyuan Yu, Yuanhui Wen, Yujie Chen, Zhaohui Li

arxiv:1810.12093 v1 · 2018-10-23 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6IU2HGGHJL4K52LN2ZAJ6YCNX}

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	2026-05-18T00:02:04.348253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7914d1cc63a57c5774b6eb204fb026dffb8fbbce901b1c44c28b76203b6ffc8

Aliases

arxiv: 1810.12093 · arxiv_version: 1810.12093v1 · doi: 10.48550/arxiv.1810.12093 · pith_short_12: U6IU2HGGHJL4 · pith_short_16: U6IU2HGGHJL4K52L · pith_short_8: U6IU2HGG

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/U6IU2HGGHJL4K52LN2ZAJ6YCNX \
  | 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: a7914d1cc63a57c5774b6eb204fb026dffb8fbbce901b1c44c28b76203b6ffc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f29a368722ebedcb90798936c73d3d08a02303119c1e878be228be93de9a66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-10-23T02:59:15Z",
    "title_canon_sha256": "6a2357e4a332bec098caa114a4e78993c1228e837861f4d2f5974fe33fe4edf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12093",
    "kind": "arxiv",
    "version": 1
  }
}