Pith Number

pith:2GIOXBRR

pith:2013:2GIOXBRRCRLV67QPHTT4CTXYYX

not attested not anchored not stored refs pending

Minimum number of input states required for quantum gate characterization

Christiane P. Koch, Daniel M. Reich, Giulia Gualdi

arxiv:1305.3222 v2 · 2013-05-14 · 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{2GIOXBRRCRLV67QPHTT4CTXYYX}

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	2026-05-18T03:10:57.987720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d190eb863114575f7e0f3ce7c14ef8c5dac735c249cafcfe049a844aca099e23

Aliases

arxiv: 1305.3222 · arxiv_version: 1305.3222v2 · doi: 10.48550/arxiv.1305.3222 · pith_short_12: 2GIOXBRRCRLV · pith_short_16: 2GIOXBRRCRLV67QP · pith_short_8: 2GIOXBRR

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/2GIOXBRRCRLV67QPHTT4CTXYYX \
  | 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: d190eb863114575f7e0f3ce7c14ef8c5dac735c249cafcfe049a844aca099e23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3598dc836dd643b4fa8998a0556046f1c4d1986bfa799e94b9c53b1bab63ec42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-14T17:50:30Z",
    "title_canon_sha256": "74c1d8a80fb339f580b5bf0ad230e4355d064f5b33c813b1d55a88fb258b04b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3222",
    "kind": "arxiv",
    "version": 2
  }
}