Pith Number

pith:FRYVH7KR

pith:2026:FRYVH7KRU4D6BFPL2NGYXDVEFS

not attested not anchored not stored refs pending

A note on the maximal covering location problem with customer preference ordering

Elisabeth Gaar, Markus Sinnl

arxiv:2606.30379 v1 · 2026-06-29 · 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{FRYVH7KRU4D6BFPL2NGYXDVEFS}

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	2026-06-30T02:18:12.650248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7153fd51a707e095ebd34d8b8ea42c8c5fd132a10a758ae342337e65e5ede1

Aliases

arxiv: 2606.30379 · arxiv_version: 2606.30379v1 · doi: 10.48550/arxiv.2606.30379 · pith_short_12: FRYVH7KRU4D6 · pith_short_16: FRYVH7KRU4D6BFPL · pith_short_8: FRYVH7KR

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/FRYVH7KRU4D6BFPL2NGYXDVEFS \
  | 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: 2c7153fd51a707e095ebd34d8b8ea42c8c5fd132a10a758ae342337e65e5ede1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d584eeb6905d8e931a041cbc3b64a07bbe0786f0dff3f152e64d3ae5d0caaf5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-29T14:38:36Z",
    "title_canon_sha256": "b96b29dc39cb727555585e2bb334e6c028ab52420bd92f2f32194180f4ddaff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30379",
    "kind": "arxiv",
    "version": 1
  }
}