Pith Number

pith:BC5SEE45

pith:2014:BC5SEE45SQ3CJMUE3KJBBZQJKA

not attested not anchored not stored refs pending

Dissimilarity-based Sparse Subset Selection

Ehsan Elhamifar, Guillermo Sapiro, S. Shankar Sastry

arxiv:1407.6810 v2 · 2014-07-25 · 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{BC5SEE45SQ3CJMUE3KJBBZQJKA}

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	2026-05-18T01:17:26.029945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08bb22139d943624b284da9210e6095030ef40530dac2e841861ce9c70718378

Aliases

arxiv: 1407.6810 · arxiv_version: 1407.6810v2 · doi: 10.48550/arxiv.1407.6810 · pith_short_12: BC5SEE45SQ3C · pith_short_16: BC5SEE45SQ3CJMUE · pith_short_8: BC5SEE45

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/BC5SEE45SQ3CJMUE3KJBBZQJKA \
  | 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: 08bb22139d943624b284da9210e6095030ef40530dac2e841861ce9c70718378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d87d3661913b93d8edb8e20bf5598516b8a3f34493a7b38a8a995c818dbe637b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-07-25T08:30:04Z",
    "title_canon_sha256": "60ec8f7d0721f68fd9ee071fca06ae45da088db55d2231b2fc480ff3719aa841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6810",
    "kind": "arxiv",
    "version": 2
  }
}