Pith Number

pith:WQT2VELU

pith:2022:WQT2VELUJSLORO3HNTLNTEV3FK

not attested not anchored not stored refs pending

A detail-enhanced sampling strategy in Hadamard single-pixel imaging

Hao Wu, Qing Zhao, Shijian Li, Wei Zhang, Xu-Ri Yao, Yan Cai

arxiv:2209.04449 v1 · 2022-09-09 · eess.IV · 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{WQT2VELUJSLORO3HNTLNTEV3FK}

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	2026-07-05T06:38:27.929949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b427aa91744c96e8bb676cd6d992bb2a8edae32c8ff2fc13e10b1732827faaa5

Aliases

arxiv: 2209.04449 · arxiv_version: 2209.04449v1 · doi: 10.48550/arxiv.2209.04449 · pith_short_12: WQT2VELUJSLO · pith_short_16: WQT2VELUJSLORO3H · pith_short_8: WQT2VELU

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/WQT2VELUJSLORO3HNTLNTEV3FK \
  | 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: b427aa91744c96e8bb676cd6d992bb2a8edae32c8ff2fc13e10b1732827faaa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c97ad97b69625204efa0430192e4e5e096f2e9660cd5af9e8f30316456df702",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-09-09T09:09:12Z",
    "title_canon_sha256": "bef5448758b91b03e718f5bfed93a37232c3eac418a1dd6b47691d45e551c6ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.04449",
    "kind": "arxiv",
    "version": 1
  }
}