Pith Number

pith:UOLR7OWD

pith:2019:UOLR7OWDOLN6DEIILJFG544ORR

not attested not anchored not stored refs pending

An exact solution framework for the multiple gradual cover location problem

Eduardo \'Alvarez-Miranda, Markus Sinnl

arxiv:1909.04910 v1 · 2019-09-11 · math.OC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UOLR7OWDOLN6DEIILJFG544ORR}

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	2026-07-05T00:04:01.484115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3971fbac372dbe191085a4a6ef38e8c6daf97b286756c028fdd5815012d2dca

Aliases

arxiv: 1909.04910 · arxiv_version: 1909.04910v1 · doi: 10.48550/arxiv.1909.04910 · pith_short_12: UOLR7OWDOLN6 · pith_short_16: UOLR7OWDOLN6DEII · pith_short_8: UOLR7OWD

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/UOLR7OWDOLN6DEIILJFG544ORR \
  | 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: a3971fbac372dbe191085a4a6ef38e8c6daf97b286756c028fdd5815012d2dca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "994ed1c8f7bc2ae40eb3977df747aa4cc0761c8590a0f1283832be2a639c37a6",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-09-11T08:30:43Z",
    "title_canon_sha256": "1b4ae3d46ff5843a7ecbe2377c3e5db1bdfb4a69da0f5374611d0d6c41fa143a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04910",
    "kind": "arxiv",
    "version": 1
  }
}