Pith Number

pith:7CQZQS5J

pith:2008:7CQZQS5J353X2KQNSE4TKE4FS5

not attested not anchored not stored refs pending

Spatial filtering of light by chirped photonic crystals

Kestutis Staliunas, Victor J. Sanchez-Morcillo

arxiv:0809.5165 v1 · 2008-09-30 · 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{7CQZQS5J353X2KQNSE4TKE4FS5}

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	2026-05-18T02:15:33.251612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8a1984ba9df777d2a0d91393513859770b04cb80d616b00baafc44120941f5f

Aliases

arxiv: 0809.5165 · arxiv_version: 0809.5165v1 · doi: 10.48550/arxiv.0809.5165 · pith_short_12: 7CQZQS5J353X · pith_short_16: 7CQZQS5J353X2KQN · pith_short_8: 7CQZQS5J

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/7CQZQS5J353X2KQNSE4TKE4FS5 \
  | 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: f8a1984ba9df777d2a0d91393513859770b04cb80d616b00baafc44120941f5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9421e5913c0a7d1424c1a7619d10fd1119a81f1727d2d3629100a32a52efb6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-09-30T10:38:58Z",
    "title_canon_sha256": "92a9178c22b8d0cce993100424fbea0335534463f855de4c1c385c8fa63671c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.5165",
    "kind": "arxiv",
    "version": 1
  }
}