Pith Number

pith:MCJCU5JO

pith:2018:MCJCU5JOQVJTIFUF2TSPA2FMEN

not attested not anchored not stored refs pending

Too many secants: a hierarchical approach to secant-based dimensionality reduction on large data sets

Chris Peterson, Elin Farnell, Henry Kvinge, Michael Kirby

arxiv:1808.01686 v1 · 2018-08-05 · cs.CV · cs.LG · eess.IV · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCJCU5JOQVJTIFUF2TSPA2FMEN}

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	2026-05-18T00:08:52.167330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60922a752e8553341685d4e4f068ac237dca2e9bbd0c713609a45e991e2a88ea

Aliases

arxiv: 1808.01686 · arxiv_version: 1808.01686v1 · doi: 10.48550/arxiv.1808.01686 · pith_short_12: MCJCU5JOQVJT · pith_short_16: MCJCU5JOQVJTIFUF · pith_short_8: MCJCU5JO

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/MCJCU5JOQVJTIFUF2TSPA2FMEN \
  | 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: 60922a752e8553341685d4e4f068ac237dca2e9bbd0c713609a45e991e2a88ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55916ac10a15bd279a33f8d952e6773ecb829d9cfac462eb0d3fcd9fe2e0b4fa",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-05T21:27:32Z",
    "title_canon_sha256": "a5bf43810da831f0858fc7fca13076a2ebdc5f30a112dd00a559ac028a981e04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01686",
    "kind": "arxiv",
    "version": 1
  }
}