Pith Number

pith:IELJ52UU

pith:2014:IELJ52UUVGYHM27UKI7CZLWOWN

not attested not anchored not stored refs pending

Expanding the Family of Grassmannian Kernels: An Embedding Perspective

Hongdong Li, Mathieu Salzmann, Mehrtash T. Harandi, Richard Hartley, Sadeep Jayasumana

arxiv:1407.1123 v1 · 2014-07-04 · cs.CV · cs.LG · 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{IELJ52UUVGYHM27UKI7CZLWOWN}

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	2026-05-18T02:48:18.686779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41169eea94a9b0766bf4523e2caeceb34e42fb29ee0c35ebdf2b8a544ffbd96f

Aliases

arxiv: 1407.1123 · arxiv_version: 1407.1123v1 · doi: 10.48550/arxiv.1407.1123 · pith_short_12: IELJ52UUVGYH · pith_short_16: IELJ52UUVGYHM27U · pith_short_8: IELJ52UU

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/IELJ52UUVGYHM27UKI7CZLWOWN \
  | 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: 41169eea94a9b0766bf4523e2caeceb34e42fb29ee0c35ebdf2b8a544ffbd96f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "872613340c5dbb6f1ed56878e9e4c8ada2dafe8798d5bc48ba527969e67330aa",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-07-04T05:34:38Z",
    "title_canon_sha256": "2cf0e1aa03b563f161b9234697d4d63640dbd660e21c22f883bda04656bc12d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1123",
    "kind": "arxiv",
    "version": 1
  }
}