Pith Number

pith:5IXU4ACV

pith:2012:5IXU4ACV2N5GCQF4O43GY73ZPY

not attested not anchored not stored refs pending

Dual-Space Analysis of the Sparse Linear Model

David Wipf, Yi Wu

arxiv:1207.2422 v1 · 2012-07-10 · stat.ML · cs.CV · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IXU4ACV2N5GCQF4O43GY73ZPY}

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	2026-05-18T03:51:24.189690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea2f4e0055d37a6140bc77366c7f797e2342de7db7efce04d11a793648b2812d

Aliases

arxiv: 1207.2422 · arxiv_version: 1207.2422v1 · doi: 10.48550/arxiv.1207.2422 · pith_short_12: 5IXU4ACV2N5G · pith_short_16: 5IXU4ACV2N5GCQF4 · pith_short_8: 5IXU4ACV

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/5IXU4ACV2N5GCQF4O43GY73ZPY \
  | 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: ea2f4e0055d37a6140bc77366c7f797e2342de7db7efce04d11a793648b2812d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37d5ac61a8d9225f5057213f281d056bb56c099d4c1b4ca08878e84b3ad36342",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-07-10T17:38:18Z",
    "title_canon_sha256": "e2cf1ecbcd70c487b37949876a273c0b8fbbe54ff2af3864ac8eeb690ec9ce5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2422",
    "kind": "arxiv",
    "version": 1
  }
}