Pith Number

pith:IRDB5VOI

pith:2011:IRDB5VOIJEEE2VBYHRNEB37DQQ

not attested not anchored not stored refs pending

Convex and Network Flow Optimization for Structured Sparsity

Francis Bach (LIENS, Guillaume Obozinski (LIENS, INRIA Paris - Rocquencourt), Julien Mairal, Rodolphe Jenatton (LIENS

arxiv:1104.1872 v3 · 2011-04-11 · math.OC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRDB5VOIJEEE2VBYHRNEB37DQQ}

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	2026-05-18T04:10:58.659162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44461ed5c849084d54383c5a40efe384108c0cb22df7ae25c7e70745ef078f87

Aliases

arxiv: 1104.1872 · arxiv_version: 1104.1872v3 · doi: 10.48550/arxiv.1104.1872 · pith_short_12: IRDB5VOIJEEE · pith_short_16: IRDB5VOIJEEE2VBY · pith_short_8: IRDB5VOI

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/IRDB5VOIJEEE2VBYHRNEB37DQQ \
  | 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: 44461ed5c849084d54383c5a40efe384108c0cb22df7ae25c7e70745ef078f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c568c693b1192977ddfec412435ca11bfcf16e39ae085a8e15faa9e49ea21edb",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-04-11T08:04:59Z",
    "title_canon_sha256": "9b9dc96a8423247a7827002e2a84942567633754280c8793396cfa3eb51bc3f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1872",
    "kind": "arxiv",
    "version": 3
  }
}