Pith Number

pith:UP66HQRJ

pith:2009:UP66HQRJNDARCMDC37WZKY6UI7

not attested not anchored not stored refs pending

On the complementarity of the quadrature observables

Juha-Pekka Pellonpaa, Pekka Lahti

arxiv:0912.3384 v1 · 2009-12-17 · 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{UP66HQRJNDARCMDC37WZKY6UI7}

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	2026-05-18T02:10:16.076352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3fde3c22968c1113062dfed9563d447e097b986b35b76aae4625d85e57c48f5

Aliases

arxiv: 0912.3384 · arxiv_version: 0912.3384v1 · doi: 10.48550/arxiv.0912.3384 · pith_short_12: UP66HQRJNDAR · pith_short_16: UP66HQRJNDARCMDC · pith_short_8: UP66HQRJ

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/UP66HQRJNDARCMDC37WZKY6UI7 \
  | 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: a3fde3c22968c1113062dfed9563d447e097b986b35b76aae4625d85e57c48f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bda8884586c00aac15b2f6992cb2d56db2822a03182114846c0a1636d20566f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-17T12:16:06Z",
    "title_canon_sha256": "32901a0dc8c0a5598279b532fe3b626c46ea5a4c5c5b0bdc84cfec07e7338090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3384",
    "kind": "arxiv",
    "version": 1
  }
}