Pith Number

pith:PXC7HA3Z

pith:2010:PXC7HA3ZE6SDQLXOQBUGTRKZFW

not attested not anchored not stored refs pending

Universal 2-local Hamiltonian Quantum Computing

Daniel Nagaj

arxiv:1002.0420 v2 · 2010-02-02 · 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{PXC7HA3ZE6SDQLXOQBUGTRKZFW}

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	2026-05-18T03:23:37.857596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dc5f3837927a4382eee806869c5592d9a68faf448b63f6ec8eaed32af8377d7

Aliases

arxiv: 1002.0420 · arxiv_version: 1002.0420v2 · doi: 10.48550/arxiv.1002.0420 · pith_short_12: PXC7HA3ZE6SD · pith_short_16: PXC7HA3ZE6SDQLXO · pith_short_8: PXC7HA3Z

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/PXC7HA3ZE6SDQLXOQBUGTRKZFW \
  | 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: 7dc5f3837927a4382eee806869c5592d9a68faf448b63f6ec8eaed32af8377d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba909b0386b4f6cf980b4946c93e8f74526ac2da3e4cc583f30250f130358f33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-02T08:44:13Z",
    "title_canon_sha256": "0234c162eb3c872215770800ca842bb3474b89469290f26bef071811c73ed837"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0420",
    "kind": "arxiv",
    "version": 2
  }
}