Pith Number

pith:MEQI2N6U

pith:2022:MEQI2N6U2B3LO6PVNVKDRWHJ4X

not attested not anchored not stored refs pending

Photonic unsupervised learning processor for secure and high-throughput optical fiber communication

Hui Qiao, Jiamin Wu, Lu Fang, Qionghai Dai, Tiankuang Zhou, Xing Lin, Yitong Chen

arxiv:2203.03807 v1 · 2022-03-08 · 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{MEQI2N6U2B3LO6PVNVKDRWHJ4X}

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	2026-07-05T04:02:43.690906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61208d37d4d076b779f56d5438d8e9e5f7a616182ea3352a371274c63d14011d

Aliases

arxiv: 2203.03807 · arxiv_version: 2203.03807v1 · doi: 10.48550/arxiv.2203.03807 · pith_short_12: MEQI2N6U2B3L · pith_short_16: MEQI2N6U2B3LO6PV · pith_short_8: MEQI2N6U

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/MEQI2N6U2B3LO6PVNVKDRWHJ4X \
  | 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: 61208d37d4d076b779f56d5438d8e9e5f7a616182ea3352a371274c63d14011d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "203d48752bfe5e39912d21fb1030745ab2fcebcbc3651ecb438d6aa834dc28b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-03-08T02:01:00Z",
    "title_canon_sha256": "8e1cb1dda8958f14ce5e20522478cfc5e415d02110c30a8e8f7231f6468feb5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.03807",
    "kind": "arxiv",
    "version": 1
  }
}