Pith Number

pith:BYQBE7CZ

pith:2014:BYQBE7CZT77HUBPFXHDMUW2HS4

not attested not anchored not stored refs pending

Broadband chiral metamaterials with large optical activity

David A. Powell, Ilya V. Shadrivov, Kirsty Hannam, Yuri S. Kivshar

arxiv:1401.8032 v1 · 2014-01-30 · 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{BYQBE7CZT77HUBPFXHDMUW2HS4}

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	2026-05-18T01:44:54.237007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e20127c599ffe7a05e5b9c6ca5b479727ffe113e6c615b0e417a989da1f18b0

Aliases

arxiv: 1401.8032 · arxiv_version: 1401.8032v1 · doi: 10.48550/arxiv.1401.8032 · pith_short_12: BYQBE7CZT77H · pith_short_16: BYQBE7CZT77HUBPF · pith_short_8: BYQBE7CZ

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/BYQBE7CZT77HUBPFXHDMUW2HS4 \
  | 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: 0e20127c599ffe7a05e5b9c6ca5b479727ffe113e6c615b0e417a989da1f18b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba3cc3cdee4ed9159a05ead6b9916d5f2ab81083d3615eae50a17dc05786ce2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-01-30T23:59:28Z",
    "title_canon_sha256": "5d17a61469930f5f8c023f0f90e70dcc67810827c4ba6f799fb952c8e90bb38f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8032",
    "kind": "arxiv",
    "version": 1
  }
}