Pith Number

pith:UBCRSZU7

pith:2019:UBCRSZU7L2ICFTKANZZWFVVS4T

not attested not anchored not stored refs pending

A Survey on Machine Learning for Optical Communication [Machine Learning View]

M. A. Amirabadi

arxiv:1909.05148 v1 · 2019-08-21 · 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{UBCRSZU7L2ICFTKANZZWFVVS4T}

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	2026-07-05T00:04:03.601990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a04519669f5e9022cd406e7362d6b2e4e52cff76efcd6641dc9c3ef0ce14814d

Aliases

arxiv: 1909.05148 · arxiv_version: 1909.05148v1 · doi: 10.48550/arxiv.1909.05148 · pith_short_12: UBCRSZU7L2IC · pith_short_16: UBCRSZU7L2ICFTKA · pith_short_8: UBCRSZU7

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/UBCRSZU7L2ICFTKANZZWFVVS4T \
  | 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: a04519669f5e9022cd406e7362d6b2e4e52cff76efcd6641dc9c3ef0ce14814d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d00ab8075087e750eab2e0441a48494f1df8c13fa08f5b7cd9823b977d04d333",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-21T04:35:17Z",
    "title_canon_sha256": "a7c7d8dd0658618f22f4fd7eb16402a59e007803dda6208ca2fa7dafe0e44bc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05148",
    "kind": "arxiv",
    "version": 1
  }
}