Pith Number

pith:X4QWST7B

pith:2013:X4QWST7B4FIGHDION7RSM7RFKY

not attested not anchored not stored refs pending

1D Photonic Crystals with a Sawtooth Refractive Index

D. W. L. Sprung, G. V. Morozov, J. Martorell

arxiv:1303.2267 v1 · 2013-03-09 · 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{X4QWST7B4FIGHDION7RSM7RFKY}

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	2026-05-18T03:31:19.503268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf21694fe1e150638d0e6fe3267e25561397e43ce6d917c14912cea9d3108a30

Aliases

arxiv: 1303.2267 · arxiv_version: 1303.2267v1 · doi: 10.48550/arxiv.1303.2267 · pith_short_12: X4QWST7B4FIG · pith_short_16: X4QWST7B4FIGHDIO · pith_short_8: X4QWST7B

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/X4QWST7B4FIGHDION7RSM7RFKY \
  | 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: bf21694fe1e150638d0e6fe3267e25561397e43ce6d917c14912cea9d3108a30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19b3754f6ff02921dceb68d949a024f05dc461aa472e6704fc09eb1ea99b6a37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-03-09T21:14:05Z",
    "title_canon_sha256": "c19361af71e032fbd731262f6e39abc33da3e2bbb1ae6c41fac46665cef8f7b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2267",
    "kind": "arxiv",
    "version": 1
  }
}