Pith Number

pith:GZIN5PPP

pith:2004:GZIN5PPPWCPMAMKAOFYMF2OFDB

not attested not anchored not stored refs pending

Perfect Transfer of Arbitrary States in Quantum Spin Networks

Alastair Kay, Andrew J. Landahl, Artur Ekert, Matthias Christandl, Nilanjana Datta, Tony C. Dorlas

arxiv:quant-ph/0411020 v2 · 2004-11-02 · 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{GZIN5PPPWCPMAMKAOFYMF2OFDB}

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	2026-07-04T14:46:50.565520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3650debdefb09ec031407170c2e9c5186cd09f209d53a495cad9665f7bfa578d

Aliases

arxiv: quant-ph/0411020 · arxiv_version: quant-ph/0411020v2 · doi: 10.48550/arxiv.quant-ph/0411020 · pith_short_12: GZIN5PPPWCPM · pith_short_16: GZIN5PPPWCPMAMKA · pith_short_8: GZIN5PPP

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/GZIN5PPPWCPMAMKAOFYMF2OFDB \
  | 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: 3650debdefb09ec031407170c2e9c5186cd09f209d53a495cad9665f7bfa578d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "477416ff676e5c6ce52a5143f5bda21a9773becb6550723ba46ab9db64786fd3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-11-02T19:27:41Z",
    "title_canon_sha256": "87fbac5fa0c2ed46622ee17356c47a1c55aea304162a0bd6786a1e13d4130647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0411020",
    "kind": "arxiv",
    "version": 2
  }
}