Pith Number

pith:M56PB7RT

pith:2022:M56PB7RTRJEOEVG7FTYGGCD5QG

not attested not anchored not stored refs pending

Universal device for two-qubit entangled measurements via photonic quantum walks

Chuan-Feng Li, Guang-Can Guo, Guo-Yong Xiang, Jun-Feng Tang, Marc-Olivier Renou, Wen-Zhe Yan, Zhibo Hou

arxiv:2204.11310 v2 · 2022-04-24 · 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{M56PB7RTRJEOEVG7FTYGGCD5QG}

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	2026-07-05T07:49:28.243688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

677cf0fe338a48e254df2cf063087d81a8c2f960410224dbbacf6fa45a80fb1e

Aliases

arxiv: 2204.11310 · arxiv_version: 2204.11310v2 · doi: 10.48550/arxiv.2204.11310 · pith_short_12: M56PB7RTRJEO · pith_short_16: M56PB7RTRJEOEVG7 · pith_short_8: M56PB7RT

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/M56PB7RTRJEOEVG7FTYGGCD5QG \
  | 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: 677cf0fe338a48e254df2cf063087d81a8c2f960410224dbbacf6fa45a80fb1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4093baea6bcf2b4641c7be48184f024fdfd0f1a103d833524d42eef12da1ff62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-04-24T15:37:19Z",
    "title_canon_sha256": "9150e61781bd405063125e4db030654399ea636dcd0bb013331fb57611163dc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.11310",
    "kind": "arxiv",
    "version": 2
  }
}