Pith Number

pith:6IBZXJ4D

pith:2016:6IBZXJ4DGFCO5HEOYJEMB2OFPR

not attested not anchored not stored refs pending

Estimating Sparse Signals with Smooth Support via Convex Programming and Block Sparsity

Christoph Studer, Sohil Shah, Tom Goldstein

arxiv:1605.01813 v1 · 2016-05-06 · 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{6IBZXJ4DGFCO5HEOYJEMB2OFPR}

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	2026-05-18T01:15:31.339828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2039ba7833144ee9c8ec248c0e9c57c773b0c0be086ab2d41b01a3345a4017a

Aliases

arxiv: 1605.01813 · arxiv_version: 1605.01813v1 · doi: 10.48550/arxiv.1605.01813 · pith_short_12: 6IBZXJ4DGFCO · pith_short_16: 6IBZXJ4DGFCO5HEO · pith_short_8: 6IBZXJ4D

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/6IBZXJ4DGFCO5HEOYJEMB2OFPR \
  | 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: f2039ba7833144ee9c8ec248c0e9c57c773b0c0be086ab2d41b01a3345a4017a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f19ffdce5064d5cd08d712f72bb2cbc1e12496bfdba06868b4c32fd7731a04f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-05-06T03:58:25Z",
    "title_canon_sha256": "d438244a2dcd92e91a4779fe6eb6466d2c74dfcc92e9e3355b84819d0e2065be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01813",
    "kind": "arxiv",
    "version": 1
  }
}