Pith Number

pith:CDYEGEXG

pith:2017:CDYEGEXGBSFSQTVAAYT7EIVZ2V

not attested not anchored not stored refs pending

Universal Quantum Hamiltonians

Ashley Montanaro, Stephen Piddock, Toby Cubitt

arxiv:1701.05182 v4 · 2017-01-18 · 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{CDYEGEXGBSFSQTVAAYT7EIVZ2V}

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	2026-07-05T00:09:37.134198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10f04312e60c8b284ea00627f222b9d56527aace4c1e998b54bfa59e96af6c3f

Aliases

arxiv: 1701.05182 · arxiv_version: 1701.05182v4 · doi: 10.48550/arxiv.1701.05182 · pith_short_12: CDYEGEXGBSFS · pith_short_16: CDYEGEXGBSFSQTVA · pith_short_8: CDYEGEXG

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/CDYEGEXGBSFSQTVAAYT7EIVZ2V \
  | 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: 10f04312e60c8b284ea00627f222b9d56527aace4c1e998b54bfa59e96af6c3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33796b70e731e8f6465ffdd91c7ac58cf2f816235cc9049948efc2529b591d2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-18T18:55:32Z",
    "title_canon_sha256": "4406314902dbdfd4dda48bb61246897e86ac64f247527b09d3811c142c712c7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05182",
    "kind": "arxiv",
    "version": 4
  }
}