Pith Number

pith:B27RRFEE

pith:2011:B27RRFEEJQQTHCEJQNKFUZCDUT

not attested not anchored not stored refs pending

Inverse scattering of 2d photonic structures by layer-stripping

Harald E. Krogstad, Johannes Skaar, Marte P. Hatlo Andresen

arxiv:1102.0474 v1 · 2011-02-02 · 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{B27RRFEEJQQTHCEJQNKFUZCDUT}

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	2026-05-18T04:21:52.764674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebf1894844c2133888983545a6443a4dde7d29510a7b95ae4cec4e294930326

Aliases

arxiv: 1102.0474 · arxiv_version: 1102.0474v1 · doi: 10.48550/arxiv.1102.0474 · pith_short_12: B27RRFEEJQQT · pith_short_16: B27RRFEEJQQTHCEJ · pith_short_8: B27RRFEE

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/B27RRFEEJQQTHCEJQNKFUZCDUT \
  | 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: 0ebf1894844c2133888983545a6443a4dde7d29510a7b95ae4cec4e294930326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e14e255ff447e8845e568f49149cc84b2870445413de1fefd804b85c1056313a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-02-02T16:24:32Z",
    "title_canon_sha256": "2d64b281fa2c944af624915b365c5167de8f4b199401bb6d4e7dfc35ca22cd50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0474",
    "kind": "arxiv",
    "version": 1
  }
}