Pith Number

pith:CFJCD4AK

pith:2017:CFJCD4AKV4DJ7C5SVRJR7O6G4X

not attested not anchored not stored refs pending

Ultra-light \AA-scale Optimal Optical Reflectors

Georgia T. Papadakis, Hrvoje Buljan, Marin Soljacic, Nader Engheta, Nicholas Rivera, Prineha Narang, Ravishankar Sundararaman

arxiv:1707.06717 v1 · 2017-07-20 · cond-mat.mes-hall · 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{CFJCD4AKV4DJ7C5SVRJR7O6G4X}

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	2026-05-18T00:39:51.865530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

115221f00aaf069f8bb2ac531fbbc6e5ffebbdab432140706b23b827e930b831

Aliases

arxiv: 1707.06717 · arxiv_version: 1707.06717v1 · doi: 10.48550/arxiv.1707.06717 · pith_short_12: CFJCD4AKV4DJ · pith_short_16: CFJCD4AKV4DJ7C5S · pith_short_8: CFJCD4AK

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/CFJCD4AKV4DJ7C5SVRJR7O6G4X \
  | 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: 115221f00aaf069f8bb2ac531fbbc6e5ffebbdab432140706b23b827e930b831

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efe4173162ac8c65940b1095bfdc3df4b0ca86703284c53ff4bbbcf8072f9c03",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2017-07-20T22:36:54Z",
    "title_canon_sha256": "9c4267df0dd0d5ec1b636f95a05536c30cb7733c1fc1cc0e9216bde4241bdf0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06717",
    "kind": "arxiv",
    "version": 1
  }
}