Pith Number

pith:X7KKL4DU

pith:2022:X7KKL4DUMSBLTZGVIHTTPMAFXL

not attested not anchored not stored refs pending

Fast optical refocusing through multimode fiber bend using Cake-Cutting Hadamard encoding algorithm to improve robustness

Chuncheng Zhang, Guodong Liu, Guohua Gu, Qian Chen, Xiubao Sui, Zhengyue Qin, Zheyi Yao, Zhihua Xie

arxiv:2207.13334 v1 · 2022-07-27 · physics.optics · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7KKL4DUMSBLTZGVIHTTPMAFXL}

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	2026-07-05T04:44:05.739523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfd4a5f0746482b9e4d541e737b005bae4ff880eed3f3ffd2b00c7ba26c18acd

Aliases

arxiv: 2207.13334 · arxiv_version: 2207.13334v1 · doi: 10.48550/arxiv.2207.13334 · pith_short_12: X7KKL4DUMSBL · pith_short_16: X7KKL4DUMSBLTZGV · pith_short_8: X7KKL4DU

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/X7KKL4DUMSBLTZGVIHTTPMAFXL \
  | 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: bfd4a5f0746482b9e4d541e737b005bae4ff880eed3f3ffd2b00c7ba26c18acd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a74a23c594b1fdc6f9c5870d2f4281060abb5ecc0ecc375288fe64539ffe75b3",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-07-27T07:31:09Z",
    "title_canon_sha256": "e4cc02b27f481d69041f8262c533abfc0b02e7158b9a073d7a7586d753e4109e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.13334",
    "kind": "arxiv",
    "version": 1
  }
}