Pith Number

pith:D2LLSN3D

pith:2012:D2LLSN3DXDKGZLJY43G37KP4DS

not attested not anchored not stored refs pending

Quantifying the noise of a quantum channel by noise addition

Antonella De Pasquale, Vittorio Giovannetti

arxiv:1204.5589 v3 · 2012-04-25 · 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{D2LLSN3DXDKGZLJY43G37KP4DS}

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	2026-05-18T02:21:15.984188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e96b93763b8d46cad38e6cdbfa9fc1c930ab5827bd6c0b46644bcf32a15eefd

Aliases

arxiv: 1204.5589 · arxiv_version: 1204.5589v3 · doi: 10.48550/arxiv.1204.5589 · pith_short_12: D2LLSN3DXDKG · pith_short_16: D2LLSN3DXDKGZLJY · pith_short_8: D2LLSN3D

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/D2LLSN3DXDKGZLJY43G37KP4DS \
  | 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: 1e96b93763b8d46cad38e6cdbfa9fc1c930ab5827bd6c0b46644bcf32a15eefd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22231372460941bdebb449a657332f415f81209f2dc183b11e47e71fef11abd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-25T08:52:05Z",
    "title_canon_sha256": "80cfd63a54c6aef2df060fcba393b1e486b92979b1e10685dd3aaf3ae1492bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5589",
    "kind": "arxiv",
    "version": 3
  }
}