Pith Number

pith:ZEX2VM35

pith:2006:ZEX2VM35DTPHSHMOSLQWRLFV5S

not attested not anchored not stored refs pending

Negative-Index Metamaterials: Second-Harmonic Generation, Manley-Rowe Relations and Parametric Amplification

A. K. Popov, Vladimir M. Shalaev

arxiv:physics/0601055 v1 · 2006-01-10 · physics.optics · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEX2VM35DTPHSHMOSLQWRLFV5S}

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	2026-07-04T17:02:23.652444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92faab37d1cde791d8e92e168acb5ec9c7bf9e0fa68685ecaea3e8f0b925620

Aliases

arxiv: physics/0601055 · arxiv_version: physics/0601055v1 · doi: 10.48550/arxiv.physics/0601055 · pith_short_12: ZEX2VM35DTPH · pith_short_16: ZEX2VM35DTPHSHMO · pith_short_8: ZEX2VM35

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/ZEX2VM35DTPHSHMOSLQWRLFV5S \
  | 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: c92faab37d1cde791d8e92e168acb5ec9c7bf9e0fa68685ecaea3e8f0b925620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d96a8c087a23f8df1e8b84ceb80ce8aad5b5bf46ca72ea784a8ef9b9f720174f",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2006-01-10T00:10:59Z",
    "title_canon_sha256": "14a622faa5f9d19de51c953005f065f82ca017b5434648d26a0977b603021ae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0601055",
    "kind": "arxiv",
    "version": 1
  }
}