Pith Number

pith:5N2ZYP3L

pith:2025:5N2ZYP3LKBVXDUHQMY5CYWOKHC

not attested not anchored not stored refs pending

A fully-programmable integrated photonic processor for both domain-specific and general-purpose computing

Chao-Qian Li, Chu-Han Wang, Feng-Kai Han, Hai Yan, Jie Ma, Lei Feng, Tian-Yu Zhang, Xian-Min Jin, Xiao-Yun Xu, Yi Xie, Yu-Fei Liu, Yu-Quan Peng, Ze-Feng Lan

arxiv:2508.13551 v1 · 2025-08-19 · physics.optics · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5N2ZYP3LKBVXDUHQMY5CYWOKHC}

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	2026-07-05T11:55:49.971881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb759c3f6b506b71d0f0663a2c59ca38a904c8fbe360d52a2cfc2cab42fb28fa

Aliases

arxiv: 2508.13551 · arxiv_version: 2508.13551v1 · doi: 10.48550/arxiv.2508.13551 · pith_short_12: 5N2ZYP3LKBVX · pith_short_16: 5N2ZYP3LKBVXDUHQ · pith_short_8: 5N2ZYP3L

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/5N2ZYP3LKBVXDUHQMY5CYWOKHC \
  | 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: eb759c3f6b506b71d0f0663a2c59ca38a904c8fbe360d52a2cfc2cab42fb28fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "233243942796ccde70522b0a95e71b114d3bc95d489800a3d653435945635861",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-08-19T06:19:48Z",
    "title_canon_sha256": "48f167c58f31a1081cc4fe93bbf10fff57b1948a7d9de84a2760bb7a6ffec3f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13551",
    "kind": "arxiv",
    "version": 1
  }
}