Pith Number

pith:UP4TO53J

pith:2010:UP4TO53JOQN5HLY5ZOGIHJOXSA

not attested not anchored not stored refs pending

C-HiLasso: A Collaborative Hierarchical Sparse Modeling Framework

Guillermo Sapiro, Ignacio Ram\'irez, Pablo Sprechmann, Yonina Eldar

arxiv:1006.1346 v2 · 2010-06-07 · stat.ML · 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{UP4TO53JOQN5HLY5ZOGIHJOXSA}

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	2026-05-18T02:06:56.498258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f9377769741bd3af1dcb8c83a5d79031edf353ca4348c9194352041af05fa9

Aliases

arxiv: 1006.1346 · arxiv_version: 1006.1346v2 · doi: 10.48550/arxiv.1006.1346 · pith_short_12: UP4TO53JOQN5 · pith_short_16: UP4TO53JOQN5HLY5 · pith_short_8: UP4TO53J

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/UP4TO53JOQN5HLY5ZOGIHJOXSA \
  | 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: a3f9377769741bd3af1dcb8c83a5d79031edf353ca4348c9194352041af05fa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fcb937103890e0e8eb731e5bbded9f60dd0b631c37980037211c6d402035260",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-06-07T19:46:56Z",
    "title_canon_sha256": "cedc487572af3f91a1ed26a529a6d15a7af9b68e7759cf5c19c544bdc0b70e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1346",
    "kind": "arxiv",
    "version": 2
  }
}