Pith Number

pith:NY5HV2TF

pith:2019:NY5HV2TFTEWYWBJRWZVVZCLWYR

not attested not anchored not stored refs pending

Photonic Crystal Spatial Filters Fabricated by Femtosecond Pulsed Bessel Beam

Darius Gailevi\v{c}ius, Kestutis Staliunas, Vytautas Purlys

arxiv:1908.02842 v1 · 2019-08-07 · physics.app-ph · 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{NY5HV2TFTEWYWBJRWZVVZCLWYR}

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	2026-07-05T00:13:52.904472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e3a7aea65992d8b0531b66b5c8976c451ce33e40bcd39894f5433d020bab2dc

Aliases

arxiv: 1908.02842 · arxiv_version: 1908.02842v1 · doi: 10.48550/arxiv.1908.02842 · pith_short_12: NY5HV2TFTEWY · pith_short_16: NY5HV2TFTEWYWBJR · pith_short_8: NY5HV2TF

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/NY5HV2TFTEWYWBJRWZVVZCLWYR \
  | 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: 6e3a7aea65992d8b0531b66b5c8976c451ce33e40bcd39894f5433d020bab2dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07542c0a238c9fb203da74105b54088f3190fa5bfdb2dd76a83471b50d314332",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-08-07T21:12:14Z",
    "title_canon_sha256": "2ac0dcbed0cb2d71c07a00ba63cb61320af4bb862f850ad092e8f4f8600db12c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02842",
    "kind": "arxiv",
    "version": 1
  }
}