Pith Number

pith:ZBCWFWWR

pith:2021:ZBCWFWWR7HGNXBTPB5CEG2YTLF

not attested not anchored not stored refs pending

Second-order Cumulants Ghost Imaging

Chao Gao, Huan Zhao, Li-Dan Gou, Shuang Wang, Xiao-Qian Wang, Zhi-Hai Yao, Zhuo Yu

arxiv:2110.08473 v2 · 2021-10-16 · 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{ZBCWFWWR7HGNXBTPB5CEG2YTLF}

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	2026-07-05T03:24:45.640251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c84562dad1f9ccdb866f0f44436b13594c4d29bfb9c8cd6fa6b2235108126d17

Aliases

arxiv: 2110.08473 · arxiv_version: 2110.08473v2 · doi: 10.48550/arxiv.2110.08473 · pith_short_12: ZBCWFWWR7HGN · pith_short_16: ZBCWFWWR7HGNXBTP · pith_short_8: ZBCWFWWR

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/ZBCWFWWR7HGNXBTPB5CEG2YTLF \
  | 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: c84562dad1f9ccdb866f0f44436b13594c4d29bfb9c8cd6fa6b2235108126d17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a77661c32c8f4b64348d09b0855c194541f93fee5e383a057b5366c137d360",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-10-16T05:04:04Z",
    "title_canon_sha256": "b2da687e8a14bec4acc3208b4c85cb1be12b6c3fb7c8f8266e897a4a5d663bb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.08473",
    "kind": "arxiv",
    "version": 2
  }
}