Pith Number

pith:TSPTU7EL

pith:2015:TSPTU7ELBS2AOZJT7XQQ2UDVWT

not attested not anchored not stored refs pending

An optical image encryption scheme based on depth-conversion integral imaging and chaotic maps

Chengqing Li, In-Kwon Lee, Seok-Tae Kim, Xiaowei Li

arxiv:1501.04167 v1 · 2015-01-17 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSPTU7ELBS2AOZJT7XQQ2UDVWT}

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	2026-05-18T02:29:09.869905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c9f3a7c8b0cb4076533fde10d5075b4cfd18818d3bb98320196d5affc3c8fd7

Aliases

arxiv: 1501.04167 · arxiv_version: 1501.04167v1 · doi: 10.48550/arxiv.1501.04167 · pith_short_12: TSPTU7ELBS2A · pith_short_16: TSPTU7ELBS2AOZJT · pith_short_8: TSPTU7EL

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/TSPTU7ELBS2AOZJT7XQQ2UDVWT \
  | 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: 9c9f3a7c8b0cb4076533fde10d5075b4cfd18818d3bb98320196d5affc3c8fd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "456e2045350603d2a5bcc7d65b070818008e22d6bb6e0c846457c5f09bc26e41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-01-17T06:28:44Z",
    "title_canon_sha256": "7eb8726f5514e04c3ea77b5af06bc5ec861e029b1c96fd30424ed7ab03207493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04167",
    "kind": "arxiv",
    "version": 1
  }
}