Pith Number

pith:YKAP2CFY

pith:2012:YKAP2CFY27K6NF4ND5N7JAM4YZ

not attested not anchored not stored refs pending

High-speed waveguide-coupled graphene-on-graphene optical modulators

Mo Li, Steven J. Koester

arxiv:1202.4791 v1 · 2012-02-21 · physics.optics · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKAP2CFY27K6NF4ND5N7JAM4YZ}

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	2026-05-18T03:55:23.207986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c280fd08b8d7d5e6978d1f5bf4819cc6731144abb10ac5f1f08986b28110ef69

Aliases

arxiv: 1202.4791 · arxiv_version: 1202.4791v1 · doi: 10.48550/arxiv.1202.4791 · pith_short_12: YKAP2CFY27K6 · pith_short_16: YKAP2CFY27K6NF4N · pith_short_8: YKAP2CFY

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/YKAP2CFY27K6NF4ND5N7JAM4YZ \
  | 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: c280fd08b8d7d5e6978d1f5bf4819cc6731144abb10ac5f1f08986b28110ef69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c4db9e4c2da11b11daf248a2ab2443be9f0ff62c39d4d5bfa49aff8e45e145d",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-02-21T23:20:23Z",
    "title_canon_sha256": "8dea9a27f1dd473370207df28c1c047e3721823694caaadb6fdd72d8ecaa414d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4791",
    "kind": "arxiv",
    "version": 1
  }
}