Pith Number

pith:WGIZKOE5

pith:2013:WGIZKOE5WTSHCVVPJCHCKRMQJW

not attested not anchored not stored refs pending

A Competitive Ratio Approximation Scheme for the k-Server Problem in Fixed Finite Metrics

Tobias M\"omke

arxiv:1303.2963 v1 · 2013-03-12 · 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{WGIZKOE5WTSHCVVPJCHCKRMQJW}

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	2026-05-18T03:31:07.437535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b19195389db4e47156af488e2545904dba56cd595e497ce50e1b47e164600110

Aliases

arxiv: 1303.2963 · arxiv_version: 1303.2963v1 · doi: 10.48550/arxiv.1303.2963 · pith_short_12: WGIZKOE5WTSH · pith_short_16: WGIZKOE5WTSHCVVP · pith_short_8: WGIZKOE5

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/WGIZKOE5WTSHCVVPJCHCKRMQJW \
  | 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: b19195389db4e47156af488e2545904dba56cd595e497ce50e1b47e164600110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8525d4692b454f0dbf86d867e4616659576d9b4c001952fcfea5c10823bfe312",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-03-12T17:38:35Z",
    "title_canon_sha256": "9868f5aa72ca99b1cee78732b4fb71f155fcecd8282746fc67957d81eab2a5b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2963",
    "kind": "arxiv",
    "version": 1
  }
}