Pith Number

pith:GFG44U2Y

pith:2012:GFG44U2YAUEJTJQVF76N7K4T5N

not attested not anchored not stored refs pending

Effects of classical environmental noise on entanglement and quantum discord

Claudia Benedetti, Fabrizio Buscemi, Matteo G. A. Paris, Paolo Bordone

arxiv:1209.4201 v2 · 2012-09-19 · 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{GFG44U2YAUEJTJQVF76N7K4T5N}

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	2026-05-18T03:25:33.375665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314dce5358050899a6152ffcdfab93eb591cac81c78bf52d9e1186885636c204

Aliases

arxiv: 1209.4201 · arxiv_version: 1209.4201v2 · doi: 10.48550/arxiv.1209.4201 · pith_short_12: GFG44U2YAUEJ · pith_short_16: GFG44U2YAUEJTJQV · pith_short_8: GFG44U2Y

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/GFG44U2YAUEJTJQVF76N7K4T5N \
  | 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: 314dce5358050899a6152ffcdfab93eb591cac81c78bf52d9e1186885636c204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d71ac2b19af09043356cfd90fbbeb582e0c089bf4511f86ecdcb852ac22e509b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-19T10:12:09Z",
    "title_canon_sha256": "ac476d5c65b554a13c7d99e447ef28922308b1d95fd0b9d56bf523f56f28d1fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4201",
    "kind": "arxiv",
    "version": 2
  }
}