Pith Number

pith:IUVPZCQ6

pith:2012:IUVPZCQ6H34CUPIUD5CMQN7JWS

not attested not anchored not stored refs pending

Ubiquity of optical activity in planar metamaterial scatterers

A.F. Koenderink, F. Bernal Arango, I. Sersic, M. A. van de Haar

arxiv:1201.2955 v1 · 2012-01-13 · 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{IUVPZCQ6H34CUPIUD5CMQN7JWS}

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	2026-05-18T03:48:33.946719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

452afc8a1e3ef82a3d141f44c837e9b4aae519fae46efa1d6867a5e1a478b1cb

Aliases

arxiv: 1201.2955 · arxiv_version: 1201.2955v1 · doi: 10.48550/arxiv.1201.2955 · pith_short_12: IUVPZCQ6H34C · pith_short_16: IUVPZCQ6H34CUPIU · pith_short_8: IUVPZCQ6

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/IUVPZCQ6H34CUPIUD5CMQN7JWS \
  | 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: 452afc8a1e3ef82a3d141f44c837e9b4aae519fae46efa1d6867a5e1a478b1cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d06da0ccbdc9e0d2a9765e881154f72e3421baaa82557ad7e7db2988fb44558",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-01-13T21:18:33Z",
    "title_canon_sha256": "871e532d471f2a2ad214d80d8cecf4086c97536bc38b4feccd7d25ccd592f5e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2955",
    "kind": "arxiv",
    "version": 1
  }
}