Pith Number

pith:MPVSOVTN

pith:2018:MPVSOVTNNZTWPSA5SYSL4LZMVJ

not attested not anchored not stored refs pending

Optical left-handed metamaterials made of arrays of upright split-ring pairs

Guang-Yu Guo, Hsun Chi Chan, Shulin Sun

arxiv:1801.04127 v1 · 2018-01-12 · physics.app-ph · 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{MPVSOVTNNZTWPSA5SYSL4LZMVJ}

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	2026-05-18T00:11:50.079223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63eb27566d6e6767c81d9624be2f2caa6acb0db8cac857f568ea3c7ed47843ff

Aliases

arxiv: 1801.04127 · arxiv_version: 1801.04127v1 · doi: 10.48550/arxiv.1801.04127 · pith_short_12: MPVSOVTNNZTW · pith_short_16: MPVSOVTNNZTWPSA5 · pith_short_8: MPVSOVTN

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/MPVSOVTNNZTWPSA5SYSL4LZMVJ \
  | 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: 63eb27566d6e6767c81d9624be2f2caa6acb0db8cac857f568ea3c7ed47843ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f523b6060f8e6fee18fe2a280a985468d34ce40386b6a3e4acd96c5d6d597044",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-01-12T10:38:42Z",
    "title_canon_sha256": "f27328c425821e651b8c5ab7c556d325561871f69328c6e11123df1a9030ea05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04127",
    "kind": "arxiv",
    "version": 1
  }
}