Pith Number

pith:FEKINFAT

pith:2014:FEKINFAT363RNBSGWFFKWT2JBH

not attested not anchored not stored refs pending

Numerical Simulation of Grating Couplers for Mode Multiplexed Systems

B. Wohlfeil, C. Stamatiadis, F. Schmidt, J. Pomplun, K. Petermann, L. Zimmermann, S. Burger

arxiv:1403.2288 v1 · 2014-03-10 · 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{FEKINFAT363RNBSGWFFKWT2JBH}

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	2026-05-18T02:56:44.888906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2914869413dfb7168646b14aab4f4909ef77118c7e67f5b336d14c3857f46df0

Aliases

arxiv: 1403.2288 · arxiv_version: 1403.2288v1 · doi: 10.48550/arxiv.1403.2288 · pith_short_12: FEKINFAT363R · pith_short_16: FEKINFAT363RNBSG · pith_short_8: FEKINFAT

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/FEKINFAT363RNBSGWFFKWT2JBH \
  | 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: 2914869413dfb7168646b14aab4f4909ef77118c7e67f5b336d14c3857f46df0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c51c6569a92b4d61637ee85e365fe8303484caeb7ab3f66751328c5d610ef4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-03-10T16:13:44Z",
    "title_canon_sha256": "e86959505135f9f259f4a81b1b81be49e9ec3063448f4ecec9fa254f0739a74f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2288",
    "kind": "arxiv",
    "version": 1
  }
}