Pith Number

pith:2OGRQW3T

pith:2018:2OGRQW3TBQPXHXPILO2TWHV6LA

not attested not anchored not stored refs pending

Steps towards the experimental realization of surface plasmon polariton enhanced spontaneous parametric down-conversion

Ardi Loot, Ilmo Sildos, Tavo Romann, Valter Kiisk, Vladimir Hizhnyakov

arxiv:1804.02166 v1 · 2018-04-06 · 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{2OGRQW3TBQPXHXPILO2TWHV6LA}

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	2026-05-18T00:09:14.965524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d38d185b730c1f73dde85bb53b1ebe58362c09424a229b10d80c13f780549215

Aliases

arxiv: 1804.02166 · arxiv_version: 1804.02166v1 · doi: 10.48550/arxiv.1804.02166 · pith_short_12: 2OGRQW3TBQPX · pith_short_16: 2OGRQW3TBQPXHXPI · pith_short_8: 2OGRQW3T

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/2OGRQW3TBQPXHXPILO2TWHV6LA \
  | 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: d38d185b730c1f73dde85bb53b1ebe58362c09424a229b10d80c13f780549215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5763e3d50de47e10964d34a35547b87e82048ff2577c12bfe2e7d65ebf4396b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-04-06T08:24:36Z",
    "title_canon_sha256": "bec3d010c3394e27e20ac4dc53b2b973cc62159be11b873d82c79dfde814f761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02166",
    "kind": "arxiv",
    "version": 1
  }
}