Pith Number

pith:VGRPQJWN

pith:2000:VGRPQJWNTLXANV3REVVKC47MQH

not attested not anchored not stored refs pending

Private Quantum Channels and the Cost of Randomizing Quantum Information

Alain Tapp (University of Waterloo), Michele Mosca (University of Waterloo), Ronald de Wolf (CWI, University of Amsterdam)

arxiv:quant-ph/0003101 v2 · 2000-03-22 · 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{VGRPQJWNTLXANV3REVVKC47MQH}

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.

Cited by

2 papers in Pith

Rethinking quantum information in gravity and fields

Geometrical constructions of purity testing protocols and their applications to quantum communication

Receipt and verification

First computed	2026-07-04T14:45:27.270342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a2f826cd9aee06d771256aa173ec81f5de23d04ba255341d56950f4a2bd59b

Aliases

arxiv: quant-ph/0003101 · arxiv_version: quant-ph/0003101v2 · doi: 10.48550/arxiv.quant-ph/0003101 · pith_short_12: VGRPQJWNTLXA · pith_short_16: VGRPQJWNTLXANV3R · pith_short_8: VGRPQJWN

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/VGRPQJWNTLXANV3REVVKC47MQH \
  | 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: a9a2f826cd9aee06d771256aa173ec81f5de23d04ba255341d56950f4a2bd59b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc0e7089e3fc113cdb0f05e4605e055e1f14a017b831b33926e3c755f93c6e19",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-03-22T03:12:58Z",
    "title_canon_sha256": "d2a4965f66e6012bdedc7f831adde0eccde8fdfada4f9950f20e57a49a6cfdb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0003101",
    "kind": "arxiv",
    "version": 2
  }
}