Pith Number

pith:X2W7NLOX

pith:2014:X2W7NLOXOXVHMOYS7W33TFF2L7

not attested not anchored not stored refs pending

Extrinsic Methods for Coding and Dictionary Learning on Grassmann Manifolds

Brian Lovell, Chunhua Shen, Conrad Sanderson, Mehrtash Harandi, Richard Hartley

arxiv:1401.8126 v2 · 2014-01-31 · cs.LG · cs.CV · 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{X2W7NLOXOXVHMOYS7W33TFF2L7}

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	2026-05-18T02:04:00.476706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beadf6add775ea763b12fdb7b994ba5fe4948688abb6a7db4013a23c3053e572

Aliases

arxiv: 1401.8126 · arxiv_version: 1401.8126v2 · doi: 10.48550/arxiv.1401.8126 · pith_short_12: X2W7NLOXOXVH · pith_short_16: X2W7NLOXOXVHMOYS · pith_short_8: X2W7NLOX

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/X2W7NLOXOXVHMOYS7W33TFF2L7 \
  | 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: beadf6add775ea763b12fdb7b994ba5fe4948688abb6a7db4013a23c3053e572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a39ec2fe46a04e7f0c1f6c77dc2cd6c8c1a6a62e8cfd545bca2893ca57e7e3ec",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-01-31T10:59:38Z",
    "title_canon_sha256": "3b00d5fbdadf587b9191373a048378c631c06b54fa8667a10614ffefb6584ce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8126",
    "kind": "arxiv",
    "version": 2
  }
}