Pith Number

pith:UJ4J32DM

pith:2009:UJ4J32DMMY7D76Y4HMZGJWMV2X

not attested not anchored not stored refs pending

High Fidelity State Transfer Over an Unmodulated Linear XY Spin Chain

C. Allen Bishop, Mark S. Byrd, Yong-Cheng Ou, Zhao-Ming Wang

arxiv:0910.1829 v2 · 2009-10-09 · 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{UJ4J32DMMY7D76Y4HMZGJWMV2X}

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	2026-05-18T03:23:57.355445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2789de86c663e3ffb1c3b3264d995d5f631de65306e8f4bed78b3ef421f4300

Aliases

arxiv: 0910.1829 · arxiv_version: 0910.1829v2 · doi: 10.48550/arxiv.0910.1829 · pith_short_12: UJ4J32DMMY7D · pith_short_16: UJ4J32DMMY7D76Y4 · pith_short_8: UJ4J32DM

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/UJ4J32DMMY7D76Y4HMZGJWMV2X \
  | 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: a2789de86c663e3ffb1c3b3264d995d5f631de65306e8f4bed78b3ef421f4300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d019b8acfc6d9a9ef44534362c7df632588d5da2075dff7a8bb826f26d48692c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-09T19:55:22Z",
    "title_canon_sha256": "c745759c823ee622310cb3970b02ba5d22eb77cc7e8baba52674206d07b2f41a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1829",
    "kind": "arxiv",
    "version": 2
  }
}