Pith Number

pith:EEKUMC2I

pith:2010:EEKUMC2I7UFMNIV7XJGIWPGKWS

not attested not anchored not stored refs pending

Observations of four-wave mixing in slow-light silicon photonic crystal waveguides

Chee Wei Wong, Dim-Lee Kwong, James F. McMillan, Mingbin Yu

arxiv:1004.1642 v1 · 2010-04-09 · 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{EEKUMC2I7UFMNIV7XJGIWPGKWS}

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	2026-05-18T02:08:07.262289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2115460b48fd0ac6a2bfba4c8b3ccab4a9dacba6ee6ba3a60302557712a7d3af

Aliases

arxiv: 1004.1642 · arxiv_version: 1004.1642v1 · doi: 10.48550/arxiv.1004.1642 · pith_short_12: EEKUMC2I7UFM · pith_short_16: EEKUMC2I7UFMNIV7 · pith_short_8: EEKUMC2I

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/EEKUMC2I7UFMNIV7XJGIWPGKWS \
  | 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: 2115460b48fd0ac6a2bfba4c8b3ccab4a9dacba6ee6ba3a60302557712a7d3af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0423c49cc82310e5b45dff60b17e3e33aa57af014364e8ec88e84c9f7a0b241d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-04-09T20:06:41Z",
    "title_canon_sha256": "d94d9f6a66a03012cab77b34137b7693954ad04b761b22690bd8b73863e4d6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1642",
    "kind": "arxiv",
    "version": 1
  }
}