Pith Number

pith:ZO2PU47P

pith:2021:ZO2PU47PI4FRKBAXUGFJGTFLY2

not attested not anchored not stored refs pending

Tensor networks for unsupervised machine learning

Jiang Zhang, Jing Liu, Pan Zhang, Sujie Li

arxiv:2106.12974 v2 · 2021-06-24 · cond-mat.stat-mech · cs.LG · quant-ph · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZO2PU47PI4FRKBAXUGFJGTFLY2}

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.

Cited by

1 paper in Pith

No-Free-Lunch Theories for Tensor-Network Machine Learning Models

Receipt and verification

First computed	2026-07-05T05:37:51.923988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbb4fa73ef470b150417a18a934cabc6b4046472e2496a310257c8b59301b2a8

Aliases

arxiv: 2106.12974 · arxiv_version: 2106.12974v2 · doi: 10.48550/arxiv.2106.12974 · pith_short_12: ZO2PU47PI4FR · pith_short_16: ZO2PU47PI4FRKBAX · pith_short_8: ZO2PU47P

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/ZO2PU47PI4FRKBAXUGFJGTFLY2 \
  | 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: cbb4fa73ef470b150417a18a934cabc6b4046472e2496a310257c8b59301b2a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4c83d373e5a7cb2ff8ff80b599b354a98556b6e978ff03ac2cb32a0044750a0",
    "cross_cats_sorted": [
      "cs.LG",
      "quant-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2021-06-24T12:51:00Z",
    "title_canon_sha256": "c3b26832fc4e30ce36701a8e8a19ba199808e8d7335c49cbc25312b23fdf1f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.12974",
    "kind": "arxiv",
    "version": 2
  }
}