Pith Number

pith:MWVDWJF3

pith:2015:MWVDWJF34FU3J4Z7QNWYSCHXI6

not attested not anchored not stored refs pending

Spectral characterization of a frequency comb based on cascaded quadratic nonlinearities inside an optical parametric oscillator

C. R. Phillips, Lauri Halonen, Markku Vainio, Ville Ulvila

arxiv:1506.07255 v2 · 2015-06-24 · 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{MWVDWJF34FU3J4Z7QNWYSCHXI6}

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	2026-05-18T01:33:15.495510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65aa3b24bbe169b4f33f836d8908f74789b766b8ddea037b347fc2ebf6a93c99

Aliases

arxiv: 1506.07255 · arxiv_version: 1506.07255v2 · doi: 10.48550/arxiv.1506.07255 · pith_short_12: MWVDWJF34FU3 · pith_short_16: MWVDWJF34FU3J4Z7 · pith_short_8: MWVDWJF3

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/MWVDWJF34FU3J4Z7QNWYSCHXI6 \
  | 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: 65aa3b24bbe169b4f33f836d8908f74789b766b8ddea037b347fc2ebf6a93c99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7443aad72bc88d58a005a65026712eed316759d79bf087549a6e52f88445950b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-06-24T06:38:16Z",
    "title_canon_sha256": "d48927e8011365bab2a95a12457634b8d64051eb97b600e1f4b943115bc27aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07255",
    "kind": "arxiv",
    "version": 2
  }
}