Pith Number

pith:D2UHF3SF

pith:2012:D2UHF3SFXFIKPFRWAHQH7FJJQL

not attested not anchored not stored refs pending

Supervised Feature Selection in Graphs with Path Coding Penalties and Network Flows

Bin Yu, Julien Mairal

arxiv:1204.4539 v3 · 2012-04-20 · stat.ML · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2UHF3SFXFIKPFRWAHQH7FJJQL}

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	2026-05-18T03:12:57.997762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ea872ee45b950a7963601e07f952982f749eb6fa5ef264b5ac744057c343127

Aliases

arxiv: 1204.4539 · arxiv_version: 1204.4539v3 · doi: 10.48550/arxiv.1204.4539 · pith_short_12: D2UHF3SFXFIK · pith_short_16: D2UHF3SFXFIKPFRW · pith_short_8: D2UHF3SF

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/D2UHF3SFXFIKPFRWAHQH7FJJQL \
  | 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: 1ea872ee45b950a7963601e07f952982f749eb6fa5ef264b5ac744057c343127

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a753b6db0cec233cac21b21dad0b639d92a7ee86902e099609e9880c97e2fb94",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-04-20T06:24:37Z",
    "title_canon_sha256": "f7e9157ae200db56dcc465079d0a60b84ab1efc55cc17e4216e87d1498b2a1e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4539",
    "kind": "arxiv",
    "version": 3
  }
}