Pith Number

pith:OFAMWEAV

pith:2026:OFAMWEAV2YUS6HOFJKOJWOQRWO

not attested not anchored not stored refs pending

Iterative quantum phase estimation with cQED encoding

Changchun Zhong

arxiv:2606.22071 v1 · 2026-06-20 · 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{OFAMWEAV2YUS6HOFJKOJWOQRWO}

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	2026-06-23T02:13:06.943231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7140cb1015d6292f1dc54a9c9b3a11b3aa4cd9cb3896c04a9da8f06978024320

Aliases

arxiv: 2606.22071 · arxiv_version: 2606.22071v1 · doi: 10.48550/arxiv.2606.22071 · pith_short_12: OFAMWEAV2YUS · pith_short_16: OFAMWEAV2YUS6HOF · pith_short_8: OFAMWEAV

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/OFAMWEAV2YUS6HOFJKOJWOQRWO \
  | 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: 7140cb1015d6292f1dc54a9c9b3a11b3aa4cd9cb3896c04a9da8f06978024320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e4e8d1b4af9805eea02d91b5062a49ce0116395475bd7e3efcb9ba2006688c4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-20T14:45:05Z",
    "title_canon_sha256": "cb5d779add067ebd282006f61c83e87a3d11df7c5f09bdf8a1d7e728cf9d22fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22071",
    "kind": "arxiv",
    "version": 1
  }
}