Pith Number

pith:CPUEQA6W

pith:2019:CPUEQA6WFRX6GEPMOZDD3NY35N

not attested not anchored not stored refs pending

Parallel Cut Pursuit For Minimization of the Graph Total Variation

Hugo Raguet, Loic Landrieu

arxiv:1905.02316 v1 · 2019-05-07 · cs.DS · 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{CPUEQA6WFRX6GEPMOZDD3NY35N}

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	2026-05-17T23:46:51.777636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e84803d62c6fe311ec76463db71beb70c5a33eee3c58a96be047794ee692ee

Aliases

arxiv: 1905.02316 · arxiv_version: 1905.02316v1 · doi: 10.48550/arxiv.1905.02316 · pith_short_12: CPUEQA6WFRX6 · pith_short_16: CPUEQA6WFRX6GEPM · pith_short_8: CPUEQA6W

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/CPUEQA6WFRX6GEPMOZDD3NY35N \
  | 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: 13e84803d62c6fe311ec76463db71beb70c5a33eee3c58a96be047794ee692ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5ca0a527e1915161de9e5ac3b068929f0adfb364a96d65f3383efdd88ef40fa",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-07T08:17:08Z",
    "title_canon_sha256": "665ecce78f40792ffbc6cd898bb45a5857858e0d4a8fc6eb534ab58ff2573cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02316",
    "kind": "arxiv",
    "version": 1
  }
}