Pith Number

pith:A4ATI2RC

pith:2012:A4ATI2RCNISEUECKVKZRVD2DWU

not attested not anchored not stored refs pending

Dispersionless optical activity in metamaterials

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

arxiv:1212.1505 v2 · 2012-12-06 · 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{A4ATI2RCNISEUECKVKZRVD2DWU}

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	2026-05-18T03:00:26.706992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0701346a226a244a104aaab31a8f43b51f58c9baa9de7ea3773f24d429194da1

Aliases

arxiv: 1212.1505 · arxiv_version: 1212.1505v2 · doi: 10.48550/arxiv.1212.1505 · pith_short_12: A4ATI2RCNISE · pith_short_16: A4ATI2RCNISEUECK · pith_short_8: A4ATI2RC

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/A4ATI2RCNISEUECKVKZRVD2DWU \
  | 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: 0701346a226a244a104aaab31a8f43b51f58c9baa9de7ea3773f24d429194da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eda1ba37a6d33df9b1fdd9a9580492c2f9dcfab0a4850d1b0a80084b430b7ae9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-12-06T23:43:05Z",
    "title_canon_sha256": "4c42a8f6c732f0e490bdfc12d4bb672b7474c7015d2af00dd99e8df9aa4b843e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1505",
    "kind": "arxiv",
    "version": 2
  }
}