Pith Number

pith:56SFO2BR

pith:2019:56SFO2BR75HELMGGXZOKOHUCKS

not attested not anchored not stored refs pending

Visible blue-to-red 10 GHz frequency comb via on-chip triple-sum frequency generation

Anton Stroganov, Ewelina Obrzud, Fran\c{c}ois Wildi, Francesco Pepe, Michael Geiselmann, Steve Lecomte, Thibault Voumard, Tobias Herr, Victor Brasch

arxiv:1908.05152 v1 · 2019-08-14 · physics.optics · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56SFO2BR75HELMGGXZOKOHUCKS}

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.

Cited by

1 paper in Pith

NuAncestor: an artificial satellite-borne star for accurate frequency calibration of ground-based EPRV spectrographs

Receipt and verification

First computed	2026-07-05T00:15:07.933320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efa4576831ff4e45b0c6be5ca71e82549ffb19c1427308500c32323ee41dc4e7

Aliases

arxiv: 1908.05152 · arxiv_version: 1908.05152v1 · doi: 10.48550/arxiv.1908.05152 · pith_short_12: 56SFO2BR75HE · pith_short_16: 56SFO2BR75HELMGG · pith_short_8: 56SFO2BR

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/56SFO2BR75HELMGGXZOKOHUCKS \
  | 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: efa4576831ff4e45b0c6be5ca71e82549ffb19c1427308500c32323ee41dc4e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04bbc2bd83e6f2de7e7784fb70a64d2e7c0dd5139ce3e3db0b14407ec9bcd795",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-08-14T14:45:02Z",
    "title_canon_sha256": "25340d17011625bd79ba962616aee55691226372ee16560b5efd7c9f6932cff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05152",
    "kind": "arxiv",
    "version": 1
  }
}