Pith Number

pith:VGV4RERE

pith:2001:VGV4RERELGSIQUQ3BFS6GQIKGX

not attested not anchored not stored refs pending

Power of Anisotropic Exchange Interactions: Universality and Efficient Codes for Quantum Computing

D. A. Lidar (Chemistry Department, L.-A. Wu, University of Toronto)

arxiv:quant-ph/0103039 v4 · 2001-03-08 · quant-ph · cond-mat · math-ph · math.MP · physics.chem-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{VGV4RERELGSIQUQ3BFS6GQIKGX}

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	2026-05-18T01:05:05.020551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9abc8922459a488521b0965e3410a35fc8d4d1b9d97a95ea65892e4693f08c0

Aliases

arxiv: quant-ph/0103039 · arxiv_version: quant-ph/0103039v4 · doi: 10.48550/arxiv.quant-ph/0103039 · pith_short_12: VGV4RERELGSI · pith_short_16: VGV4RERELGSIQUQ3 · pith_short_8: VGV4RERE

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/VGV4RERELGSIQUQ3BFS6GQIKGX \
  | 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: a9abc8922459a488521b0965e3410a35fc8d4d1b9d97a95ea65892e4693f08c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "666e1d9bb54e8d9ef800055884cd0dc6fd2cae3a32a0d6f2740e1bc350ca16ca",
    "cross_cats_sorted": [
      "cond-mat",
      "math-ph",
      "math.MP",
      "physics.chem-ph"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-03-08T21:00:26Z",
    "title_canon_sha256": "5ab51231d91e69a9002ab1171fc890a1dfcfe0e9a21926fcf725f5a6887fdcc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0103039",
    "kind": "arxiv",
    "version": 4
  }
}