Pith Number

pith:RPD6ROHY

pith:2021:RPD6ROHYCTP6SSCSDFNJVB7KYN

not attested not anchored not stored refs pending

An Embedded Iris Recognition System Optimization using Dynamically ReconfigurableDecoder with LDPC Codes

Chiu-Wing Sham, Chun Yan Lo, Longyu Ma, Xinchao Zhong

arxiv:2107.03688 v1 · 2021-07-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPD6ROHYCTP6SSCSDFNJVB7KYN}

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	2026-07-05T02:56:18.463938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bc7e8b8f814dfe94852195a9a87eac3466793512084d63426743cb79704dc5d

Aliases

arxiv: 2107.03688 · arxiv_version: 2107.03688v1 · doi: 10.48550/arxiv.2107.03688 · pith_short_12: RPD6ROHYCTP6 · pith_short_16: RPD6ROHYCTP6SSCS · pith_short_8: RPD6ROHY

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/RPD6ROHYCTP6SSCSDFNJVB7KYN \
  | 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: 8bc7e8b8f814dfe94852195a9a87eac3466793512084d63426743cb79704dc5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "449bda6e456c9b5cce5fe5c26198aac7c365c703e675d6f077be4ce448e2f3b2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-08T09:04:11Z",
    "title_canon_sha256": "3cfda04ff8e05cfb8ee185c77ed212d845ad8c4ecd7a5e1ada9d6dd91337c0f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03688",
    "kind": "arxiv",
    "version": 1
  }
}