Pith Number

pith:UXCSZRGX

pith:2019:UXCSZRGXXMB5UTN6VLTXM62YIN

not attested not anchored not stored refs pending

A Water-Filling Primal-Dual Algorithm for Approximating Non-Linear Covering Problems

Andr\'es Fielbaum, Ignacio Morales, Jos\'e Verschae

arxiv:1912.12151 v1 · 2019-12-27 · 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{UXCSZRGXXMB5UTN6VLTXM62YIN}

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	2026-07-05T00:28:40.722651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5c52cc4d7bb03da4dbeaae7767b584347561040ae9c7595daca8cfb24448fc8

Aliases

arxiv: 1912.12151 · arxiv_version: 1912.12151v1 · doi: 10.48550/arxiv.1912.12151 · pith_short_12: UXCSZRGXXMB5 · pith_short_16: UXCSZRGXXMB5UTN6 · pith_short_8: UXCSZRGX

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/UXCSZRGXXMB5UTN6VLTXM62YIN \
  | 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: a5c52cc4d7bb03da4dbeaae7767b584347561040ae9c7595daca8cfb24448fc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "265c97bc0007b35483760e80ea4cf4e3ffa65b4e2da0512dd8a0b8013f908219",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-12-27T15:20:56Z",
    "title_canon_sha256": "a042e391d5e0a07ff5f9347d7d0c231e3c56181d6a412665570b8c28c51abb80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12151",
    "kind": "arxiv",
    "version": 1
  }
}