Pith Number

pith:CRSRD3QG

pith:2009:CRSRD3QGQIADV63QKSSAN36UGT

not attested not anchored not stored refs pending

Observations of zero-order bandgaps in negative-index photonic crystal superlattices at the near-infrared

C.W.Wong, D.L.Kwong, J.F.McMillan, M.B.Yu, N.C.Panoiu, R.Chatterjee, R.M.Osgood, S.Kocaman

arxiv:0904.2352 v1 · 2009-04-15 · 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{CRSRD3QGQIADV63QKSSAN36UGT}

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	2026-05-18T02:14:00.116261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

146511ee0682003afb7054a406efd434fb09c94642d68301dece619d3f5eea47

Aliases

arxiv: 0904.2352 · arxiv_version: 0904.2352v1 · doi: 10.48550/arxiv.0904.2352 · pith_short_12: CRSRD3QGQIAD · pith_short_16: CRSRD3QGQIADV63Q · pith_short_8: CRSRD3QG

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/CRSRD3QGQIADV63QKSSAN36UGT \
  | 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: 146511ee0682003afb7054a406efd434fb09c94642d68301dece619d3f5eea47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98f9d3ccc20f5c9cf964dbc81980487a299a7a99eaaddc9d247bd3ac3b3dc214",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-04-15T16:31:07Z",
    "title_canon_sha256": "d1f5d874bcb66e188f9c3eace4902bdbab3859a34e191c4308d3a605006d7c91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2352",
    "kind": "arxiv",
    "version": 1
  }
}