Pith Number

pith:2FE645SN

pith:2025:2FE645SN4JYTWMGGVRRKYEYMYN

not attested not anchored not stored refs pending

Color-Blind Image Sensors: Towards Digital Twin of Human Retina

Ampalavanapillai Nirmalathas, Bryce Widdicombe, Dechuan Sun, Efstratios Skafidas, Paul Beckett, Peter van Wijngaarden, Ranjith Unnithan, Yushan Meng

arxiv:2509.08518 v1 · 2025-09-10 · 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{2FE645SN4JYTWMGGVRRKYEYMYN}

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	2026-07-05T12:08:31.574614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d149ee764de2713b30c6ac62ac130cc35f990af037bbce84777d4f4a66b71af2

Aliases

arxiv: 2509.08518 · arxiv_version: 2509.08518v1 · doi: 10.48550/arxiv.2509.08518 · pith_short_12: 2FE645SN4JYT · pith_short_16: 2FE645SN4JYTWMGG · pith_short_8: 2FE645SN

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/2FE645SN4JYTWMGGVRRKYEYMYN \
  | 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: d149ee764de2713b30c6ac62ac130cc35f990af037bbce84777d4f4a66b71af2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20337d5b25d00ab0b86a4ad0a4e8a959d9643b57d5a5db48f3bef8c5890b58ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-09-10T11:53:47Z",
    "title_canon_sha256": "4477ad9a322857862e17814a019f868c10d79ea4d5dbc08184f9eb3989c9d63a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08518",
    "kind": "arxiv",
    "version": 1
  }
}