Pith Number

pith:6BUCEGQN

pith:2016:6BUCEGQNFJNFGZQCJQU2HMQQSP

not attested not anchored not stored refs pending

High-contrast Kerr Frequency Combs

Andrey B. Matsko, Ivan S. Grudinin, Lute Maleki, Michael L. Gorodetsky, Nan Yu, Vincent Huet

arxiv:1612.00820 v2 · 2016-12-02 · 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{6BUCEGQNFJNFGZQCJQU2HMQQSP}

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	2026-05-18T00:54:08.695983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f068221a0d2a5a5366024c29a3b21093f2479c69725d542283ade07866f0db83

Aliases

arxiv: 1612.00820 · arxiv_version: 1612.00820v2 · doi: 10.48550/arxiv.1612.00820 · pith_short_12: 6BUCEGQNFJNF · pith_short_16: 6BUCEGQNFJNFGZQC · pith_short_8: 6BUCEGQN

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/6BUCEGQNFJNFGZQCJQU2HMQQSP \
  | 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: f068221a0d2a5a5366024c29a3b21093f2479c69725d542283ade07866f0db83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f48f57606a08bb649dbb2f04833d444c6582d0c3dd40727ef60aaa791edb8d73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-12-02T20:16:58Z",
    "title_canon_sha256": "57e2834abbdbb70a651d65aaacc0ef3b7e79efc33630c79b99a4a23a54013147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00820",
    "kind": "arxiv",
    "version": 2
  }
}