Pith Number

pith:FEBBG6WM

pith:2013:FEBBG6WMYDVR4D5655EAEPEF7T

not attested not anchored not stored refs pending

PROBI: A Heuristic for the probabilistic k-median problem

Hendrik Fichtenberger, Melanie Schmidt

arxiv:1309.5781 v1 · 2013-09-23 · 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{FEBBG6WMYDVR4D5655EAEPEF7T}

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	2026-05-18T03:12:34.173860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2902137accc0eb1e0fbeef48023c85fcda7eac66d71dd6977701c80cfbe2d422

Aliases

arxiv: 1309.5781 · arxiv_version: 1309.5781v1 · doi: 10.48550/arxiv.1309.5781 · pith_short_12: FEBBG6WMYDVR · pith_short_16: FEBBG6WMYDVR4D56 · pith_short_8: FEBBG6WM

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/FEBBG6WMYDVR4D5655EAEPEF7T \
  | 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: 2902137accc0eb1e0fbeef48023c85fcda7eac66d71dd6977701c80cfbe2d422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa0808d9e9c1a6360aca4b954ece3b325a1c30aa09f378af615fb84fc2b4997a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-09-23T12:10:14Z",
    "title_canon_sha256": "af8fa1953510f2ceee3608dd4c9aabf51586dfbff2775c4365d2291289ec0023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5781",
    "kind": "arxiv",
    "version": 1
  }
}