Pith Number

pith:HCUEVKPH

pith:2019:HCUEVKPHLA4RRHSFW3TWB7T5QL

not attested not anchored not stored refs pending

Reallocating Multiple Facilities on the Line

Dimitris Fotakis, Loukas Kavouras, Nikolas Zarifis, Panagiotis Kostopanagiotis, Philip Lazos, Stratis Skoulakis

arxiv:1905.12379 v1 · 2019-05-29 · cs.DS · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCUEVKPHLA4RRHSFW3TWB7T5QL}

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	2026-05-17T23:44:44.512968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38a84aa9e75839189e45b6e760fe7d82dfca1ea316bccc71de0c1ab2e194e533

Aliases

arxiv: 1905.12379 · arxiv_version: 1905.12379v1 · doi: 10.48550/arxiv.1905.12379 · pith_short_12: HCUEVKPHLA4R · pith_short_16: HCUEVKPHLA4RRHSF · pith_short_8: HCUEVKPH

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/HCUEVKPHLA4RRHSFW3TWB7T5QL \
  | 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: 38a84aa9e75839189e45b6e760fe7d82dfca1ea316bccc71de0c1ab2e194e533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df52870cdd81974935f59024045c48383972255cc60eaa33efae865e7a8665e5",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-29T12:43:00Z",
    "title_canon_sha256": "2d13a7708651f2c2f5db782458923c513fd0e38d698e2787d3b59ec30e39f633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12379",
    "kind": "arxiv",
    "version": 1
  }
}