Pith Number

pith:PM43UWWH

pith:2019:PM43UWWHPWTSCE5ZSGNGPK6QCI

not attested not anchored not stored refs pending

Turn-key, high-efficiency Kerr comb source

Alexander L. Gaeta, Bok Young Kim, Chaitanya Joshi, Jae K. Jang, Mengjie Yu, Michal Lipson, Xingchen Ji, Yoshitomo Okawachi, Yun Zhao

arxiv:1907.07164 v1 · 2019-07-16 · 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{PM43UWWHPWTSCE5ZSGNGPK6QCI}

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	2026-07-05T00:02:59.717171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b39ba5ac77da72113b9919a67abd0123b9d8a9649193e6874e7d73e61e60bd7

Aliases

arxiv: 1907.07164 · arxiv_version: 1907.07164v1 · doi: 10.48550/arxiv.1907.07164 · pith_short_12: PM43UWWHPWTS · pith_short_16: PM43UWWHPWTSCE5Z · pith_short_8: PM43UWWH

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/PM43UWWHPWTSCE5ZSGNGPK6QCI \
  | 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: 7b39ba5ac77da72113b9919a67abd0123b9d8a9649193e6874e7d73e61e60bd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951efe71d767c0b59299a2f52eb9900757b1aae2e7c4a4002dbe5c8120414c0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-07-16T17:46:16Z",
    "title_canon_sha256": "88fcd292d6f965ee9b04fb79eb4e884db3785028306ec1978b0bdd80ec617320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07164",
    "kind": "arxiv",
    "version": 1
  }
}