Pith Number

pith:YUDQTKFI

pith:2022:YUDQTKFI3PKJEFLGUDV6FMNZWF

not attested not anchored not stored refs pending

Modified Iterative Quantum Amplitude Estimation is Asymptotically Optimal

Christopher Ho, Jasen Zion, Sandy Irani, Shion Fukuzawa

arxiv:2208.14612 v4 · 2022-08-31 · 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{YUDQTKFI3PKJEFLGUDV6FMNZWF}

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	2026-07-05T05:45:04.674748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c50709a8a8dbd4921566a0ebe2b1b9b17b28400e9ddd377aecf93d21107315fc

Aliases

arxiv: 2208.14612 · arxiv_version: 2208.14612v4 · doi: 10.48550/arxiv.2208.14612 · pith_short_12: YUDQTKFI3PKJ · pith_short_16: YUDQTKFI3PKJEFLG · pith_short_8: YUDQTKFI

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/YUDQTKFI3PKJEFLGUDV6FMNZWF \
  | 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: c50709a8a8dbd4921566a0ebe2b1b9b17b28400e9ddd377aecf93d21107315fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bae89423bdc4c01b0bc9a2dccfe22f682f5b08952cff0cc78cfc58fb8f37c4ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-08-31T03:20:10Z",
    "title_canon_sha256": "bfe3e53be6279508499e5eb45c7df3e57969d8e30ac6b1c14168403bea7023c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.14612",
    "kind": "arxiv",
    "version": 4
  }
}