Pith Number

pith:YGJTBCKI

pith:2025:YGJTBCKIFLVQHFED6U5Q3B4I4Z

not attested not anchored not stored refs pending

Surface-Code Hardware Hamiltonian

Chlo\'e Vignes, John M. Martinis, Kuljeet Kaur, Mohammad H. Ansari, Xuexin Xu

arxiv:2507.06201 v1 · 2025-07-08 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGJTBCKIFLVQHFED6U5Q3B4I4Z}

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	2026-06-10T01:09:19.814894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1933089482aeb039483f53b0d8788e64b2abde40cc93c05032cfe2dca45d88f

Aliases

arxiv: 2507.06201 · arxiv_version: 2507.06201v1 · doi: 10.48550/arxiv.2507.06201 · pith_short_12: YGJTBCKIFLVQ · pith_short_16: YGJTBCKIFLVQHFED · pith_short_8: YGJTBCKI

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/YGJTBCKIFLVQHFED6U5Q3B4I4Z \
  | 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: c1933089482aeb039483f53b0d8788e64b2abde40cc93c05032cfe2dca45d88f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2e9f17db5675a567a88c1ce0dd994a560a9e609a78de6d7b2e198af9493a97b",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-08T17:27:32Z",
    "title_canon_sha256": "7e450e9e44d9c324bc9ad35a77a8e5c56fe36b2f659e089efa4fc24297b50a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06201",
    "kind": "arxiv",
    "version": 1
  }
}