Pith Number

pith:GH43DUJ5

pith:2008:GH43DUJ56DOBX7OPM3FAIU6STV

not attested not anchored not stored refs pending

Mirrorless Negative-index Parametric Micro-oscillator

Alexander K. Popov, Sergei A. Myslivets, Vladimir M. Shalaev

arxiv:0807.3487 v1 · 2008-07-22 · 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{GH43DUJ56DOBX7OPM3FAIU6STV}

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	2026-05-18T02:15:44.734095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31f9b1d13df0dc1bfdcf66ca0453d29d418abf20553ab96a0d8871ee7e41c8bc

Aliases

arxiv: 0807.3487 · arxiv_version: 0807.3487v1 · doi: 10.48550/arxiv.0807.3487 · pith_short_12: GH43DUJ56DOB · pith_short_16: GH43DUJ56DOBX7OP · pith_short_8: GH43DUJ5

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/GH43DUJ56DOBX7OPM3FAIU6STV \
  | 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: 31f9b1d13df0dc1bfdcf66ca0453d29d418abf20553ab96a0d8871ee7e41c8bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a714a6a7ed76c590d2cd0074be8e258b3a12333e825abc912f7385c87ba8e04",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-07-22T19:30:42Z",
    "title_canon_sha256": "d51a63aa6e0004abb790260acae4f895cb9b9d957c1fc2e61ef1ec44d1578f74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3487",
    "kind": "arxiv",
    "version": 1
  }
}