Pith Number

pith:F3DYBNQT

pith:2014:F3DYBNQT7NJ6QH4YFTWY7WLF26

not attested not anchored not stored refs pending

Algorithms and dimensionality reductions for continuous multifacility ordered median location problems

Justo Puerto, Safae El-Haj Ben-Ali, V\'ictor Blanco

arxiv:1401.0817 v2 · 2014-01-04 · 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{F3DYBNQT7NJ6QH4YFTWY7WLF26}

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	2026-05-18T02:39:48.508585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ec780b613fb53e81f982ced8fd965d7b806b045bcf69c697b8ec04054b49b03

Aliases

arxiv: 1401.0817 · arxiv_version: 1401.0817v2 · doi: 10.48550/arxiv.1401.0817 · pith_short_12: F3DYBNQT7NJ6 · pith_short_16: F3DYBNQT7NJ6QH4Y · pith_short_8: F3DYBNQT

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/F3DYBNQT7NJ6QH4YFTWY7WLF26 \
  | 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: 2ec780b613fb53e81f982ced8fd965d7b806b045bcf69c697b8ec04054b49b03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceaebf9a26cd4c89aff26fa9525fc3f1181380e03bf2c32d6e7b9efacaf3038d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-04T15:07:58Z",
    "title_canon_sha256": "47887fa37a6fe087472716f35a8179a4b90fb5822de412f6bbe56de337d6bd44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0817",
    "kind": "arxiv",
    "version": 2
  }
}