Pith Number

pith:QR7B2YQW

pith:2007:QR7B2YQWJWWMNFXGCNDNU3HRXS

not attested not anchored not stored refs pending

Controlled Quantum State Transfer in a Spin Chain

Jiangbin Gong, Paul Brumer

arxiv:quant-ph/0702265 v1 · 2007-02-28 · quant-ph · nlin.CD

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QR7B2YQWJWWMNFXGCNDNU3HRXS}

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	2026-07-04T15:03:07.555427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

847e1d62164dacc696e61346da6cf1bc91da21c9669264fe79b89a45942837fb

Aliases

arxiv: quant-ph/0702265 · arxiv_version: quant-ph/0702265v1 · doi: 10.48550/arxiv.quant-ph/0702265 · pith_short_12: QR7B2YQWJWWM · pith_short_16: QR7B2YQWJWWMNFXG · pith_short_8: QR7B2YQW

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/QR7B2YQWJWWMNFXGCNDNU3HRXS \
  | 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: 847e1d62164dacc696e61346da6cf1bc91da21c9669264fe79b89a45942837fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c309e8d7638a305198256f5e201afac0a7cc897ac5e3e4e478700bfe28ee89",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-02-28T03:11:28Z",
    "title_canon_sha256": "238eb1a304931c5e72d0398caf8aa3f3e94602252445c6dc237f40d8e9c804c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0702265",
    "kind": "arxiv",
    "version": 1
  }
}