Pith Number

pith:GTEO52DB

pith:2020:GTEO52DBHWLP6E4FV7BFWWWRSQ

not attested not anchored not stored refs pending

Self-Representation Based Unsupervised Exemplar Selection in a Union of Subspaces

Chi Li, Chong You, Daniel P. Robinson, Rene Vidal

arxiv:2006.04246 v1 · 2020-06-07 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTEO52DBHWLP6E4FV7BFWWWRSQ}

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	2026-07-05T01:08:37.548041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34c8eee8613d96ff1385afc25b5ad194199063b7ae35a13361c7f20059c55b9d

Aliases

arxiv: 2006.04246 · arxiv_version: 2006.04246v1 · doi: 10.48550/arxiv.2006.04246 · pith_short_12: GTEO52DBHWLP · pith_short_16: GTEO52DBHWLP6E4F · pith_short_8: GTEO52DB

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/GTEO52DBHWLP6E4FV7BFWWWRSQ \
  | 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: 34c8eee8613d96ff1385afc25b5ad194199063b7ae35a13361c7f20059c55b9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "273ff583e5d5ada29a250105a04d26376ff3a3d63d59678cbd66d3869771f8cf",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-06-07T19:43:33Z",
    "title_canon_sha256": "9e096bfe1887d549fc697bb2be261f1951341b5bbd8bcb849ec6ca477b875d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.04246",
    "kind": "arxiv",
    "version": 1
  }
}