Pith Number

pith:NFJRQRKH

pith:2024:NFJRQRKHG5UE7N6JK5EGFXON2D

not attested not anchored not stored refs pending

Foundry's perspective on laser and SOA module integration with silicon photonics

Chao Li, James Y. S. Tan, Patrick Guo-Qiang Lo, Salih Yanikgonul, Shawn Xie Wu

arxiv:2405.01548 v1 · 2024-02-20 · physics.app-ph · 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{NFJRQRKHG5UE7N6JK5EGFXON2D}

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	2026-07-05T08:14:57.624521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

695318454737684fb7c9574862ddcdd0dfffcc6548638c8d93adf8a4143bdf27

Aliases

arxiv: 2405.01548 · arxiv_version: 2405.01548v1 · doi: 10.48550/arxiv.2405.01548 · pith_short_12: NFJRQRKHG5UE · pith_short_16: NFJRQRKHG5UE7N6J · pith_short_8: NFJRQRKH

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/NFJRQRKHG5UE7N6JK5EGFXON2D \
  | 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: 695318454737684fb7c9574862ddcdd0dfffcc6548638c8d93adf8a4143bdf27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf13e3ed4c3baca1490230592d325af9ff511ae9085b5416d50995549972b303",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2024-02-20T06:29:10Z",
    "title_canon_sha256": "a62276c04bf403761736abd8b9e1d94d02e7dfb9a96363267698fc461596a416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.01548",
    "kind": "arxiv",
    "version": 1
  }
}