Pith Number

pith:XL7SMYVY

pith:2008:XL7SMYVY5D5NZRSIVOYQPHN67Q

not attested not anchored not stored refs pending

Towards quantum frequency combs: boosting the generation of highly nonclassical light states by cavity-enhanced parametric down-conversion at high repetition rates

Alessandro Zavatta, Marco Bellini, Valentina Parigi

arxiv:0803.1712 v2 · 2008-03-12 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XL7SMYVY5D5NZRSIVOYQPHN67Q}

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	2026-07-04T17:09:48.484812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baff2662b8e8fadcc648abb1079dbefc21271c449ddbf0600054633b540fddcb

Aliases

arxiv: 0803.1712 · arxiv_version: 0803.1712v2 · doi: 10.48550/arxiv.0803.1712 · pith_short_12: XL7SMYVY5D5N · pith_short_16: XL7SMYVY5D5NZRSI · pith_short_8: XL7SMYVY

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/XL7SMYVY5D5NZRSIVOYQPHN67Q \
  | 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: baff2662b8e8fadcc648abb1079dbefc21271c449ddbf0600054633b540fddcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a192b07e442f1da53eed3fbd447012d51975ccd89f8b0c80adb409e2fa706ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-03-12T08:01:32Z",
    "title_canon_sha256": "ed664df00691c7935b1868fa9fce5b0b9a6cc95a374f6650dc98526e8e0501dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1712",
    "kind": "arxiv",
    "version": 2
  }
}