Pith. sign in
Pith Number

pith:Q4YYVPIR

pith:2003:Q4YYVPIR3LKDLT26E4PD76WEH6
not attested not anchored not stored refs pending

Locking classical correlation in quantum states

Barbara Terhal, David DiVincenzo, Debbie Leung, John Smolin, Michal Horodecki

arxiv:quant-ph/0303088 v1 · 2003-03-14 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Q4YYVPIR3LKDLT26E4PD76WEH6}

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 2026-07-04T16:42:27.165396Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

87318abd11dad435cf5e271e3ffac43fa269938d040997850f121279c0746e8d

Aliases

arxiv: quant-ph/0303088 · arxiv_version: quant-ph/0303088v1 · doi: 10.48550/arxiv.quant-ph/0303088 · pith_short_12: Q4YYVPIR3LKD · pith_short_16: Q4YYVPIR3LKDLT26 · pith_short_8: Q4YYVPIR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Q4YYVPIR3LKDLT26E4PD76WEH6 \
  | 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: 87318abd11dad435cf5e271e3ffac43fa269938d040997850f121279c0746e8d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0fffd39be6e8c5f2a9582d92fb64f12f356dc10b6f6237249554daee1dd0f4ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-03-14T18:07:52Z",
    "title_canon_sha256": "7e05a074926f1202e1134bd20221978e5368d81e034219e8fb7410748c56ac6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0303088",
    "kind": "arxiv",
    "version": 1
  }
}