Pith Number

pith:72IP73LH

pith:2018:72IP73LHF7SK2IX63SOLZKVMHH

not attested not anchored not stored refs pending

Universal qudit Hamiltonians

Ashley Montanaro, Stephen Piddock

arxiv:1802.07130 v1 · 2018-02-20 · 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{72IP73LHF7SK2IX63SOLZKVMHH}

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	2026-05-18T00:22:53.488288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe90ffed672fe4ad22fedc9cbcaaac39c3704f22b4de06dc6e74333253f06c36

Aliases

arxiv: 1802.07130 · arxiv_version: 1802.07130v1 · doi: 10.48550/arxiv.1802.07130 · pith_short_12: 72IP73LHF7SK · pith_short_16: 72IP73LHF7SK2IX6 · pith_short_8: 72IP73LH

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/72IP73LHF7SK2IX63SOLZKVMHH \
  | 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: fe90ffed672fe4ad22fedc9cbcaaac39c3704f22b4de06dc6e74333253f06c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca834018b426303658d4eb002b67ba38e85282b9a1531bb0b11a76cdbc43a656",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-20T14:38:40Z",
    "title_canon_sha256": "1f44339d0aa69a71e4ca7c4882900d144f1ad9e05aea2e1e391899e84db19968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07130",
    "kind": "arxiv",
    "version": 1
  }
}