Pith Number

pith:RD7TYXYO

pith:2004:RD7TYXYOBKMB3FZVVXKE2H7XI2

not attested not anchored not stored refs pending

Multiparty data hiding of quantum information

Debbie Leung, Graeme Smith, Patrick Hayden

arxiv:quant-ph/0407152 v1 · 2004-07-20 · 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{RD7TYXYOBKMB3FZVVXKE2H7XI2}

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	2026-07-04T14:46:38.584987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88ff3c5f0e0a981d9735add44d1ff746b507512d5dd374a06eb630e6b8024be1

Aliases

arxiv: quant-ph/0407152 · arxiv_version: quant-ph/0407152v1 · doi: 10.48550/arxiv.quant-ph/0407152 · pith_short_12: RD7TYXYOBKMB · pith_short_16: RD7TYXYOBKMB3FZV · pith_short_8: RD7TYXYO

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/RD7TYXYOBKMB3FZVVXKE2H7XI2 \
  | 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: 88ff3c5f0e0a981d9735add44d1ff746b507512d5dd374a06eb630e6b8024be1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "486583a0744c13a9a95e474a75d32830b2e5fcc991531341f703be94d59f16a2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-20T16:30:41Z",
    "title_canon_sha256": "13759e1e31a93fb89d49509717972a9e32f8e66121f8debcfd67bea0d471cf53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407152",
    "kind": "arxiv",
    "version": 1
  }
}