Pith Number

pith:AZXUNMV7

pith:2026:AZXUNMV7VS4AX65ZXHWQZPR6AZ

not attested not anchored not stored refs pending

Limits and Trade-Offs of Shift-Invariant Meta-Optical Encoders for Image Compression

Arka Majumdar, Rui Chen, Yubo Zhang, Zhihao Zhou

arxiv:2602.18032 v2 · 2026-02-20 · 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{AZXUNMV7VS4AX65ZXHWQZPR6AZ}

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	2026-07-31T01:10:08.094758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

066f46b2bfacb80bfbb9b9ed0cbe3e0676e5d4ef061c0eafb756ab397425c813

Aliases

arxiv: 2602.18032 · arxiv_version: 2602.18032v2 · doi: 10.48550/arxiv.2602.18032 · pith_short_12: AZXUNMV7VS4A · pith_short_16: AZXUNMV7VS4AX65Z · pith_short_8: AZXUNMV7

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/AZXUNMV7VS4AX65ZXHWQZPR6AZ \
  | 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: 066f46b2bfacb80bfbb9b9ed0cbe3e0676e5d4ef061c0eafb756ab397425c813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f12a302abd3db47d7fd4f7e5dacc846d969f27b31b740205702303b5d6b805a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-02-20T07:23:15Z",
    "title_canon_sha256": "fbaeead9e1f3bcd86103aec156c06064d2e2936652345966135ee1811fc23801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.18032",
    "kind": "arxiv",
    "version": 2
  }
}