Pith Number

pith:MWREA7Q4

pith:2021:MWREA7Q4IIIFUC3DZFSISGSXEU

not attested not anchored not stored refs pending

All-optical neural network quantum state tomography

Bei Zeng, Chenfeng Cao, Ningping Cao, Shengwang Du, Xuanying Lai, Ying Zuo

arxiv:2103.06457 v2 · 2021-03-11 · 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{MWREA7Q4IIIFUC3DZFSISGSXEU}

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	2026-07-05T02:47:43.407020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65a2407e1c42105a0b63c964891a572531a8c6715d485550bca1f81eaf1d5236

Aliases

arxiv: 2103.06457 · arxiv_version: 2103.06457v2 · doi: 10.48550/arxiv.2103.06457 · pith_short_12: MWREA7Q4IIIF · pith_short_16: MWREA7Q4IIIFUC3D · pith_short_8: MWREA7Q4

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/MWREA7Q4IIIFUC3DZFSISGSXEU \
  | 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: 65a2407e1c42105a0b63c964891a572531a8c6715d485550bca1f81eaf1d5236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340f1382d3fce6c777f2065a65194a4ec77eaf13b20ec738362104f5a7de9757",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-11T04:43:34Z",
    "title_canon_sha256": "fa485e03b020cc9034a00eb7aa6dce8573fe4b4ee3b24fe2ee9155ef1977c202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06457",
    "kind": "arxiv",
    "version": 2
  }
}