Pith Number

pith:OXWLPZBR

pith:2009:OXWLPZBRMO2YWTBMKMTPY27GD7

not attested not anchored not stored refs pending

Surface spontaneous parametric down-conversion

Antonin Luks, Jan Perina Jr, Michael Scalora, Ondrej Haderka

arxiv:0907.3595 v2 · 2009-07-21 · 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{OXWLPZBRMO2YWTBMKMTPY27GD7}

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	2026-05-18T02:12:55.125421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75ecb7e43163b58b4c2c5326fc6be61fe9c52ee19260d91fd740e647fabbbe0c

Aliases

arxiv: 0907.3595 · arxiv_version: 0907.3595v2 · doi: 10.48550/arxiv.0907.3595 · pith_short_12: OXWLPZBRMO2Y · pith_short_16: OXWLPZBRMO2YWTBM · pith_short_8: OXWLPZBR

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/OXWLPZBRMO2YWTBMKMTPY27GD7 \
  | 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: 75ecb7e43163b58b4c2c5326fc6be61fe9c52ee19260d91fd740e647fabbbe0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0610fd6ab75259846e4e8c5fda9dee567ea6427709b7273df72c56567387f8bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-21T09:45:02Z",
    "title_canon_sha256": "79faa3c904a44ddd9474b2d07cc7c2014fe2bd40746803085c645bf243cbcf5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3595",
    "kind": "arxiv",
    "version": 2
  }
}