Pith Number

pith:WP647QXQ

pith:2009:WP647QXQ3F6UZ2MLQ3CE3LXOS6

not attested not anchored not stored refs pending

Correlations in photon-numbers and integrated intensities in parametric processes involving three optical fields

Alessandra Andreoni, Alessia Allevi, Jan Perina, Jan Perina Jr., Jaromir Krepelka, Maria Bondani

arxiv:0901.1115 v1 · 2009-01-08 · 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{WP647QXQ3F6UZ2MLQ3CE3LXOS6}

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	2026-05-18T02:15:02.874656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3fdcfc2f0d97d4ce98b86c44daeee979b95bd1504af0cff24cd10adcf4b3bbf

Aliases

arxiv: 0901.1115 · arxiv_version: 0901.1115v1 · doi: 10.48550/arxiv.0901.1115 · pith_short_12: WP647QXQ3F6U · pith_short_16: WP647QXQ3F6UZ2ML · pith_short_8: WP647QXQ

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/WP647QXQ3F6UZ2MLQ3CE3LXOS6 \
  | 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: b3fdcfc2f0d97d4ce98b86c44daeee979b95bd1504af0cff24cd10adcf4b3bbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e788cc3cf35ecce7441ccdf48eca9abe8aa43d02b89c8efca990b6a8c2ebcb6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-01-08T19:57:19Z",
    "title_canon_sha256": "e32cffa347aae90fa2e8f73a2d9a8e5d6026b390d7261db682488c9ebdbb0435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1115",
    "kind": "arxiv",
    "version": 1
  }
}