Pith Number

pith:OJL4HXGZ

pith:2013:OJL4HXGZVLY2XDIMLNCDAA4WFT

not attested not anchored not stored refs pending

Optical cloning of arbitrary images beyond the diffraction limits

J. Evers, L. Zhang, O. N. Verma, T. N. Dey

arxiv:1304.5888 v1 · 2013-04-22 · quant-ph · 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{OJL4HXGZVLY2XDIMLNCDAA4WFT}

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	2026-05-18T03:16:28.544671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7257c3dcd9aaf1ab8d0c5b443003962cdd5b01af24b8252f55920e7112c782da

Aliases

arxiv: 1304.5888 · arxiv_version: 1304.5888v1 · doi: 10.48550/arxiv.1304.5888 · pith_short_12: OJL4HXGZVLY2 · pith_short_16: OJL4HXGZVLY2XDIM · pith_short_8: OJL4HXGZ

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/OJL4HXGZVLY2XDIMLNCDAA4WFT \
  | 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: 7257c3dcd9aaf1ab8d0c5b443003962cdd5b01af24b8252f55920e7112c782da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7687247654cf8f8cc2f98a171ebf1f7d39647a38c7d79c390ee5657bd84d1a86",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-22T09:32:47Z",
    "title_canon_sha256": "98a2af4f33bc92c6aa43cfc1d03c74a86aa0fe8570ef170213346797a4618f9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5888",
    "kind": "arxiv",
    "version": 1
  }
}