Pith Number

pith:KRNJEXXR

pith:2009:KRNJEXXRXP2YO3MKOQVUR53OIC

not attested not anchored not stored refs pending

Low-Noise Amplification of a Continuous Variable Quantum State

A. M. Marino, K. M. Jones, P. D. Lett, R. C. Pooser, V. Boyer

arxiv:0906.5024 v1 · 2009-06-27 · 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{KRNJEXXRXP2YO3MKOQVUR53OIC}

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	2026-05-18T02:13:12.260057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

545a925ef1bbf5876d8a742b48f76e4083a86e0c7f825dc415ca2b33a64d2e15

Aliases

arxiv: 0906.5024 · arxiv_version: 0906.5024v1 · doi: 10.48550/arxiv.0906.5024 · pith_short_12: KRNJEXXRXP2Y · pith_short_16: KRNJEXXRXP2YO3MK · pith_short_8: KRNJEXXR

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/KRNJEXXRXP2YO3MKOQVUR53OIC \
  | 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: 545a925ef1bbf5876d8a742b48f76e4083a86e0c7f825dc415ca2b33a64d2e15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c7b0e990d2a0be3e8e73c16d5091c320870044f496ba53f966a5c643671b56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-27T00:12:22Z",
    "title_canon_sha256": "2dde59a9be91d435b82747048eb2af0dca51e1e22e2b11944defb9e0572d08d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5024",
    "kind": "arxiv",
    "version": 1
  }
}