Pith Number

pith:MQW4RQ2Q

pith:2015:MQW4RQ2Q6PA3GRSDYOHXOVL2VG

not attested not anchored not stored refs pending

Parametric Maxflows for Structured Sparse Learning with Convex Relaxations of Submodular Functions

Yoshinobu Kawahara, Yutaro Yamaguchi

arxiv:1509.03946 v1 · 2015-09-14 · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQW4RQ2Q6PA3GRSDYOHXOVL2VG}

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	2026-05-18T01:33:08.662352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642dc8c350f3c1b34643c38f77557aa99ff6a72e2e17286cae13b41cfb5cc1c8

Aliases

arxiv: 1509.03946 · arxiv_version: 1509.03946v1 · doi: 10.48550/arxiv.1509.03946 · pith_short_12: MQW4RQ2Q6PA3 · pith_short_16: MQW4RQ2Q6PA3GRSD · pith_short_8: MQW4RQ2Q

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/MQW4RQ2Q6PA3GRSDYOHXOVL2VG \
  | 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: 642dc8c350f3c1b34643c38f77557aa99ff6a72e2e17286cae13b41cfb5cc1c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d67833f98b83ea556fbdea22ac09bf14354d1c704cc2a2386c4bd1eab020bc37",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-09-14T04:11:02Z",
    "title_canon_sha256": "031d70b575202422022543d092f2bcfd76ee0b200f87764ce455d66045ee9255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03946",
    "kind": "arxiv",
    "version": 1
  }
}