Pith Number

pith:MT6E2FCV

pith:2018:MT6E2FCVLQIBK2YETLLUJAVDFH

not attested not anchored not stored refs pending

Inferring relevant features: from QFT to PCA

C\'edric B\'eny

arxiv:1802.05756 v1 · 2018-02-16 · 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{MT6E2FCVLQIBK2YETLLUJAVDFH}

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	2026-05-17T23:57:59.551118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64fc4d14555c10156b049ad74482a329efa0b74b69b733865fe8685798bef5a4

Aliases

arxiv: 1802.05756 · arxiv_version: 1802.05756v1 · doi: 10.48550/arxiv.1802.05756 · pith_short_12: MT6E2FCVLQIB · pith_short_16: MT6E2FCVLQIBK2YE · pith_short_8: MT6E2FCV

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/MT6E2FCVLQIBK2YETLLUJAVDFH \
  | 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: 64fc4d14555c10156b049ad74482a329efa0b74b69b733865fe8685798bef5a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca72f53b95646b35e925957aed9309cb12d7fd7f7b6f09c20820fb7f653078e0",
    "cross_cats_sorted": [
      "quant-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-16T06:24:04Z",
    "title_canon_sha256": "6baaf41f6d2774d4597a39d44a0e0a25ae516d5d59fc8b71ec1e113e3a78432e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05756",
    "kind": "arxiv",
    "version": 1
  }
}