Pith Number

pith:UPAVQ6FJ

pith:2013:UPAVQ6FJC75BHJTJAD2NAZN63O

not attested not anchored not stored refs pending

Amendable Gaussian channels:restoring entanglement via a unitary filter

A. De Pasquale, A. Mari, A. Porzio, V. Giovannetti

arxiv:1303.4978 v2 · 2013-03-20 · 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{UPAVQ6FJC75BHJTJAD2NAZN63O}

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	2026-05-18T03:18:29.005995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3c15878a917fa13a66900f4d065bedbbbeadcd50edace7c1d90f7900cc00d1c

Aliases

arxiv: 1303.4978 · arxiv_version: 1303.4978v2 · doi: 10.48550/arxiv.1303.4978 · pith_short_12: UPAVQ6FJC75B · pith_short_16: UPAVQ6FJC75BHJTJ · pith_short_8: UPAVQ6FJ

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/UPAVQ6FJC75BHJTJAD2NAZN63O \
  | 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: a3c15878a917fa13a66900f4d065bedbbbeadcd50edace7c1d90f7900cc00d1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef34cc465fc26a2c13513f21e45b636b7c5d91198936322b5c4b9f4085d4599",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-20T16:16:27Z",
    "title_canon_sha256": "881491d4383c9a953874a34cf6075f830989039bce3acc6f9ec1bc9655c1b980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4978",
    "kind": "arxiv",
    "version": 2
  }
}