Pith Number

pith:FYWJABY3

pith:2017:FYWJABY3ZIZGGQSQITSEDRV5LL

not attested not anchored not stored refs pending

Efficient Algorithms for Non-convex Isotonic Regression through Submodular Optimization

Francis Bach (SIERRA)

arxiv:1707.09157 v1 · 2017-07-28 · 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{FYWJABY3ZIZGGQSQITSEDRV5LL}

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	2026-05-18T00:39:16.923162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e2c90071bca3263425044e441c6bd5adff21361064ebb6ae20d348640aca951

Aliases

arxiv: 1707.09157 · arxiv_version: 1707.09157v1 · doi: 10.48550/arxiv.1707.09157 · pith_short_12: FYWJABY3ZIZG · pith_short_16: FYWJABY3ZIZGGQSQ · pith_short_8: FYWJABY3

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/FYWJABY3ZIZGGQSQITSEDRV5LL \
  | 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: 2e2c90071bca3263425044e441c6bd5adff21361064ebb6ae20d348640aca951

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d600feb3fbd7f6fb87fe9dc49247587d162fe5ecce4c66a88b21a636822b4d71",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-07-28T09:02:52Z",
    "title_canon_sha256": "162add226803a314e94e5e12197e0ab156c79614467e1e1223b528d17fe33649"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09157",
    "kind": "arxiv",
    "version": 1
  }
}