Pith Number

pith:EULD2PXE

pith:2018:EULD2PXEFIASWFM6SRAGPJDKAO

not attested not anchored not stored refs pending

Cut-Pursuit Algorithm for Regularizing Nonsmooth Functionals with Graph Total Variation

Hugo Raguet, Lo\"ic Landrieu

arxiv:1802.04383 v2 · 2018-02-12 · 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{EULD2PXEFIASWFM6SRAGPJDKAO}

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	2026-05-18T00:15:36.653541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25163d3ee42a012b159e944067a46a038eb742f2c7130493586f4a079ab7bd23

Aliases

arxiv: 1802.04383 · arxiv_version: 1802.04383v2 · doi: 10.48550/arxiv.1802.04383 · pith_short_12: EULD2PXEFIAS · pith_short_16: EULD2PXEFIASWFM6 · pith_short_8: EULD2PXE

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/EULD2PXEFIASWFM6SRAGPJDKAO \
  | 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: 25163d3ee42a012b159e944067a46a038eb742f2c7130493586f4a079ab7bd23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a3947e145111c394d989be094fbc4cca743175d835ce370fe0581adf40ed2c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-12T22:54:40Z",
    "title_canon_sha256": "f59bc7757b66c06cfe2a4f3de1afef2cf9918473521b92f005b3449322c6f9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04383",
    "kind": "arxiv",
    "version": 2
  }
}