Pith Number

pith:26V4ZEYE

pith:2013:26V4ZEYEGCWQXPURCLEV746W2H

not attested not anchored not stored refs pending

Super-Fast Distributed Algorithms for Metric Facility Location

Andrew Berns, James Hegeman, Sriram V. Pemmaraju

arxiv:1308.2473 v1 · 2013-08-12 · cs.DC · 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{26V4ZEYEGCWQXPURCLEV746W2H}

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	2026-05-18T03:16:07.285498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7abcc930430ad0bbe9112c95ff3d6d1d0153bf7d7d0c7b77061b5dccb7fd5d8

Aliases

arxiv: 1308.2473 · arxiv_version: 1308.2473v1 · doi: 10.48550/arxiv.1308.2473 · pith_short_12: 26V4ZEYEGCWQ · pith_short_16: 26V4ZEYEGCWQXPUR · pith_short_8: 26V4ZEYE

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/26V4ZEYEGCWQXPURCLEV746W2H \
  | 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: d7abcc930430ad0bbe9112c95ff3d6d1d0153bf7d7d0c7b77061b5dccb7fd5d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e26cef98bd18bc742a7cd764c22a3b242d53b2c147186074210f4a0e82798c32",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-08-12T06:30:09Z",
    "title_canon_sha256": "de0da69022d492a44266c03ead80955108da9781675ef86937fbd30b466c1da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2473",
    "kind": "arxiv",
    "version": 1
  }
}