Pith Number

pith:D5AO6FXI

pith:2018:D5AO6FXIWHFF74JW37HTGU7XEV

not attested not anchored not stored refs pending

Mid-infrared optics using dielectrics with refractive indices below unity

Alireza Shahsafi, Bradley S. Gundlach, Chenghao Wan, Jad Salman, Mikhail A. Kats, Patrick J. Roney, Yuzhe Xiao

arxiv:1803.10152 v1 · 2018-03-27 · 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{D5AO6FXIWHFF74JW37HTGU7XEV}

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	2026-05-18T00:05:31.683574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f40ef16e8b1ca5ff136dfcf3353f7257455527957f533b732bf9f8cb2fa9e3d

Aliases

arxiv: 1803.10152 · arxiv_version: 1803.10152v1 · doi: 10.48550/arxiv.1803.10152 · pith_short_12: D5AO6FXIWHFF · pith_short_16: D5AO6FXIWHFF74JW · pith_short_8: D5AO6FXI

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/D5AO6FXIWHFF74JW37HTGU7XEV \
  | 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: 1f40ef16e8b1ca5ff136dfcf3353f7257455527957f533b732bf9f8cb2fa9e3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744535569ad51dc6d81c51488c9f4cdd57575c0bbf293c750783103576d52955",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-03-27T15:51:39Z",
    "title_canon_sha256": "a69545f87952950fd26e3eca83b9b7fc6ad7390892663324ea1cda8467bc0fd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10152",
    "kind": "arxiv",
    "version": 1
  }
}