Pith Number

pith:QRR7RNP3

pith:2021:QRR7RNP337QWSZ4KKUQM2VMI2K

not attested not anchored not stored refs pending

Enhanced Absorption in thin and ultrathin silicon films by 3D photonic band gap back reflectors

Devashish Sharma, J. J. W. van der Vegt, Rebecca Saive, Shakeeb B. Hasan, Willem L. Vos

arxiv:2106.15851 v2 · 2021-06-30 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRR7RNP337QWSZ4KKUQM2VMI2K}

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	2026-07-05T03:36:55.492581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8463f8b5fbdfe169678a5520cd5588d29afc0789c5cf2bdc740d424767e3cf37

Aliases

arxiv: 2106.15851 · arxiv_version: 2106.15851v2 · doi: 10.48550/arxiv.2106.15851 · pith_short_12: QRR7RNP337QW · pith_short_16: QRR7RNP337QWSZ4K · pith_short_8: QRR7RNP3

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/QRR7RNP337QWSZ4KKUQM2VMI2K \
  | 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: 8463f8b5fbdfe169678a5520cd5588d29afc0789c5cf2bdc740d424767e3cf37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d01b28124f4d839935dda12f83b64b801b6735718a2d35c1aeefd0c8ad35884",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-06-30T07:12:49Z",
    "title_canon_sha256": "371e7d24f4c392d010c0c38b833709167c8cf45eef51757d2c9cf973a8b4a9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15851",
    "kind": "arxiv",
    "version": 2
  }
}