Pith Number

pith:ZDKBEXTT

pith:2017:ZDKBEXTT4JMVRCWMBEGAJUC3OZ

not attested not anchored not stored refs pending

Representation of big data by dimension reduction

A.G.Ramm, C. Van

arxiv:1702.00027 v1 · 2017-01-31 · cs.IT · cs.LG · math.IT · 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{ZDKBEXTT4JMVRCWMBEGAJUC3OZ}

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	2026-05-18T00:51:35.353756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8d4125e73e259588acc090c04d05b765a574bb72502b33758bc175aa5dfe3aa

Aliases

arxiv: 1702.00027 · arxiv_version: 1702.00027v1 · doi: 10.48550/arxiv.1702.00027 · pith_short_12: ZDKBEXTT4JMV · pith_short_16: ZDKBEXTT4JMVRCWM · pith_short_8: ZDKBEXTT

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/ZDKBEXTT4JMVRCWMBEGAJUC3OZ \
  | 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: c8d4125e73e259588acc090c04d05b765a574bb72502b33758bc175aa5dfe3aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c45b7de08abb10db7a767a7f3b7252227c1aa1cd2dfda612ac53f0fa8c011195",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-31T19:25:44Z",
    "title_canon_sha256": "a88f6b8335aab64114b3017e731836af693139525d78fc5b67c66e3e6f0ff98e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00027",
    "kind": "arxiv",
    "version": 1
  }
}