Pith Number

pith:2EI5WRI4

pith:2014:2EI5WRI435AFI7FBRXUNK3B36E

not attested not anchored not stored refs pending

Frequency comb generation in quadratic nonlinear media

Iolanda Ricciardi, Luigi Santamaria, Maria Parisi, Maurizio De Rosa, Paolo De Natale, Pasquale Maddaloni, Simona Mosca

arxiv:1410.6957 v2 · 2014-10-25 · 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{2EI5WRI435AFI7FBRXUNK3B36E}

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	2026-05-18T01:37:44.665366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d111db451cdf40547ca18de8d56c3bf139d95dccc31f9e93bc1424591edf8fd7

Aliases

arxiv: 1410.6957 · arxiv_version: 1410.6957v2 · doi: 10.48550/arxiv.1410.6957 · pith_short_12: 2EI5WRI435AF · pith_short_16: 2EI5WRI435AFI7FB · pith_short_8: 2EI5WRI4

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/2EI5WRI435AFI7FBRXUNK3B36E \
  | 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: d111db451cdf40547ca18de8d56c3bf139d95dccc31f9e93bc1424591edf8fd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "266fa0835e77e385a4adcf88cccc6d75efb1e859750011c9559ebf4748f9dd17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-10-25T20:43:54Z",
    "title_canon_sha256": "4603c96d10a0728119d5c54000231ade2611056a44cdb61fdb70a6587800d8a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6957",
    "kind": "arxiv",
    "version": 2
  }
}