pith. sign in
Pith Number

pith:HQQS7FW2

pith:2016:HQQS7FW2NMVEQD7MUTRSF6KDLL
not attested not anchored not stored refs pending

The $(h,k)$-Server Problem on Bounded Depth Trees

Grigorios Koumoutsos, {\L}ukasz Je\.z, Marek Eli\'a\v{s}, Nikhil Bansal

arxiv:1608.08527 v2 · 2016-08-30 · cs.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HQQS7FW2NMVEQD7MUTRSF6KDLL}

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 2026-05-18T00:46:39.944124Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3c212f96da6b2a480feca4e322f9435af331361d7f47bf49834be7f3458c1f18

Aliases

arxiv: 1608.08527 · arxiv_version: 1608.08527v2 · doi: 10.48550/arxiv.1608.08527 · pith_short_12: HQQS7FW2NMVE · pith_short_16: HQQS7FW2NMVEQD7M · pith_short_8: HQQS7FW2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HQQS7FW2NMVEQD7MUTRSF6KDLL \
  | 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: 3c212f96da6b2a480feca4e322f9435af331361d7f47bf49834be7f3458c1f18
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "275d1692f55337802559758cb898255a7ee4222f155aec0f9719884c17a0a97a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-08-30T16:01:31Z",
    "title_canon_sha256": "3397a3a5fce5d65d92c507aa3c2ab340e2828b3d05ee550108d41bbeb9851699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08527",
    "kind": "arxiv",
    "version": 2
  }
}