Pith Number

pith:VZ757RDF

pith:2009:VZ757RDFCPUSCWKGJ7HYLUMTOX

not attested not anchored not stored refs pending

Detection of high-power two-mode squeezing by sum-frequency generation

Avi pe'er, Faina Shikerman

arxiv:0909.2295 v2 · 2009-09-12 · 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{VZ757RDFCPUSCWKGJ7HYLUMTOX}

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	2026-05-18T03:08:38.710397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae7fdfc46513e92159464fcf85d19375e772c9147be01030ae2ab90d57674c73

Aliases

arxiv: 0909.2295 · arxiv_version: 0909.2295v2 · doi: 10.48550/arxiv.0909.2295 · pith_short_12: VZ757RDFCPUS · pith_short_16: VZ757RDFCPUSCWKG · pith_short_8: VZ757RDF

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/VZ757RDFCPUSCWKGJ7HYLUMTOX \
  | 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: ae7fdfc46513e92159464fcf85d19375e772c9147be01030ae2ab90d57674c73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f316ec782f18ba5b44a5d73be6b9124d2ef8c6a0c5066a4463748ef322274b00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-09-12T02:34:54Z",
    "title_canon_sha256": "d1184dc3df989861a5209bc58c101d4e68ebf807138ca78956fbd83224193982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2295",
    "kind": "arxiv",
    "version": 2
  }
}