Pith Number

pith:F6N42M33

pith:2018:F6N42M33IATBZUTBT7ZM57HMST

not attested not anchored not stored refs pending

Quasi-phase-matched nonlinear optical frequency conversion in on-chip whispering galleries

Christoph S. Werner, Hans Zappe, Ingo Breunig, Karsten Buse, Richard Wolf, Sebastian Bonaus, Simon J. Herr, Yuechen Jia

arxiv:1803.10577 v1 · 2018-03-28 · 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{F6N42M33IATBZUTBT7ZM57HMST}

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	2026-05-18T00:19:54.864646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9bcd337b40261cd2619ff2cefcec94e314b19c2dc94965c731cecc67871594

Aliases

arxiv: 1803.10577 · arxiv_version: 1803.10577v1 · doi: 10.48550/arxiv.1803.10577 · pith_short_12: F6N42M33IATB · pith_short_16: F6N42M33IATBZUTB · pith_short_8: F6N42M33

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/F6N42M33IATBZUTBT7ZM57HMST \
  | 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: 2f9bcd337b40261cd2619ff2cefcec94e314b19c2dc94965c731cecc67871594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c15912f78026fbb0182d8cb0f0f418df103746fa4988ef170b371f211539efaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-03-28T13:14:31Z",
    "title_canon_sha256": "78010995bcfbae3fb0c2281ae5e6922d4374178a902e45fa67647928696513da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10577",
    "kind": "arxiv",
    "version": 1
  }
}