Pith Number

pith:LUNXKUH4

pith:2025:LUNXKUH422EILML3L7AEPLFEOH

not attested not anchored not stored refs pending

Designing across domains with declarative thinking: Insights from the 96-Eyes ptychographic imager project

Antony C Chan

arxiv:2508.18512 v2 · 2025-08-25 · physics.optics · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUNXKUH422EILML3L7AEPLFEOH}

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	2026-07-05T12:02:06.969585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d1b7550fcd68885b17b5fc047aca471dbfdc007b59e07f991d609880aed38ad

Aliases

arxiv: 2508.18512 · arxiv_version: 2508.18512v2 · doi: 10.48550/arxiv.2508.18512 · pith_short_12: LUNXKUH422EI · pith_short_16: LUNXKUH422EILML3 · pith_short_8: LUNXKUH4

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/LUNXKUH422EILML3L7AEPLFEOH \
  | 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: 5d1b7550fcd68885b17b5fc047aca471dbfdc007b59e07f991d609880aed38ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02dca1b893d0af246d4f174812ce11c3b35cb7f6234ebdbb6ab14f66ce36ae2a",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-08-25T21:32:15Z",
    "title_canon_sha256": "01cebd3fe0cbef1e96b2355d16efbf020091ec3f1169a6f285be6cca38179142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18512",
    "kind": "arxiv",
    "version": 2
  }
}