Pith Number

pith:3UKMO5UO

pith:2023:3UKMO5UOFS37OB2G2LY6GUXUTQ

not attested not anchored not stored refs pending

Principal subbundles for dimension reduction

Erlend Grong, James Benn, Morten Akh{\o}j, Stefan Sommer, Xavier Pennec

arxiv:2307.03128 v1 · 2023-07-06 · stat.ME · cs.CV · cs.LG · math.DG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UKMO5UOFS37OB2G2LY6GUXUTQ}

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	2026-07-05T06:28:28.309944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd14c7768e2cb7f70746d2f1e352f49c0c3309dceb177a8e929e739f3c1426fa

Aliases

arxiv: 2307.03128 · arxiv_version: 2307.03128v1 · doi: 10.48550/arxiv.2307.03128 · pith_short_12: 3UKMO5UOFS37 · pith_short_16: 3UKMO5UOFS37OB2G · pith_short_8: 3UKMO5UO

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/3UKMO5UOFS37OB2G2LY6GUXUTQ \
  | 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: dd14c7768e2cb7f70746d2f1e352f49c0c3309dceb177a8e929e739f3c1426fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcb943763c9ed4d57ed851be4258986ea271a0763dce2075ede58e9931920a0b",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "math.DG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2023-07-06T16:55:21Z",
    "title_canon_sha256": "678e165661736da4c8deec4846c386eec4c91eb5c34483107e4afad63a017d1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.03128",
    "kind": "arxiv",
    "version": 1
  }
}