Pith Number

pith:6TUDQV2J

pith:2019:6TUDQV2J5K3HT5AVOK7FVPI2B3

not attested not anchored not stored refs pending

Near-IR wide field-of-view Huygens metalens for outdoor imaging applications

Anders Kristensen, Chen Zhou, Jacob Engelberg, Jonathan Bar-David, Noa Mazurski, Uriel Levy

arxiv:1901.07331 v1 · 2019-01-22 · 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{6TUDQV2J5K3HT5AVOK7FVPI2B3}

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	2026-05-17T23:55:47.292471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4e8385749eab679f41572be5abd1a0ed09beeadb7b2a6b6f6786658d35f49cf

Aliases

arxiv: 1901.07331 · arxiv_version: 1901.07331v1 · doi: 10.48550/arxiv.1901.07331 · pith_short_12: 6TUDQV2J5K3H · pith_short_16: 6TUDQV2J5K3HT5AV · pith_short_8: 6TUDQV2J

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/6TUDQV2J5K3HT5AVOK7FVPI2B3 \
  | 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: f4e8385749eab679f41572be5abd1a0ed09beeadb7b2a6b6f6786658d35f49cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "978362cde23542ffde167c2a006418ada9ada69c28584be2cf23a25f775cb8bb",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-01-22T14:34:08Z",
    "title_canon_sha256": "d12c0f479d848fe24f5ae89670034b6953f56db8e23b4ee3dd49140d8148e035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07331",
    "kind": "arxiv",
    "version": 1
  }
}