Pith Number

pith:KQHDUERC

pith:2024:KQHDUERC2KLIGJDHCZVKQPRL2C

not attested not anchored not stored refs pending

Encryption in ghost imaging with Kronecker products of random matrices

Cheng Ren, Chong Wang, De-zhong Cao, Lingxin Kong, Lin-Shan Chen, Yi-Ning Zhao

arxiv:2405.20357 v1 · 2024-05-30 · eess.IV · physics.app-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{KQHDUERC2KLIGJDHCZVKQPRL2C}

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	2026-07-05T08:25:36.289887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

540e3a1222d296832467166aa83e2bd0a1aa87e6292a3399c06cf60011598e88

Aliases

arxiv: 2405.20357 · arxiv_version: 2405.20357v1 · doi: 10.48550/arxiv.2405.20357 · pith_short_12: KQHDUERC2KLI · pith_short_16: KQHDUERC2KLIGJDH · pith_short_8: KQHDUERC

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/KQHDUERC2KLIGJDHCZVKQPRL2C \
  | 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: 540e3a1222d296832467166aa83e2bd0a1aa87e6292a3399c06cf60011598e88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18a2386b7df0172a74ea30454ae95666ea45f4e7afbb44b63075df9d5939b53e",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-05-30T06:22:47Z",
    "title_canon_sha256": "916fc83aea73d0d330bce57328807006d5f8e53e20a7a8a2de2da7b5ebea982c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.20357",
    "kind": "arxiv",
    "version": 1
  }
}