Pith Number

pith:VLIPKHXZ

pith:2000:VLIPKHXZWNP6UX4EVBISOLHASP

not attested not anchored not stored refs pending

Information transfer and fidelity in quantum copiers

P. Deuar, W. J. Munro

arxiv:quant-ph/0003054 v2 · 2000-03-15 · 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{VLIPKHXZWNP6UX4EVBISOLHASP}

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	2026-07-04T16:22:18.880202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aad0f51ef9b35fea5f84a851272ce093c5efbdd70f0830a2b7fc2274f806abc6

Aliases

arxiv: quant-ph/0003054 · arxiv_version: quant-ph/0003054v2 · doi: 10.48550/arxiv.quant-ph/0003054 · pith_short_12: VLIPKHXZWNP6 · pith_short_16: VLIPKHXZWNP6UX4E · pith_short_8: VLIPKHXZ

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/VLIPKHXZWNP6UX4EVBISOLHASP \
  | 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: aad0f51ef9b35fea5f84a851272ce093c5efbdd70f0830a2b7fc2274f806abc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc8829d692e5973bf39fd9c71a3c71e83ae22eeade9827103169b11ce70fbf1c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-03-15T05:53:09Z",
    "title_canon_sha256": "27f193978011fbd54659a51760720b08c8c16be73f26497b93b9babb29302aad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0003054",
    "kind": "arxiv",
    "version": 2
  }
}