Pith Number

pith:ODM3PABC

pith:2025:ODM3PABCV3GDV7HZ3G5PGAWG7C

not attested not anchored not stored refs pending

Faster Approximation Algorithms for k-Center via Data Reduction

Anurag Murty Naredla, Arnold Filtser, Ioannis Psarros, Qiaoyuan Yang, Qin Zhang, Shaofeng H.-C. Jiang, Yi Li

arxiv:2502.05888 v1 · 2025-02-09 · 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{ODM3PABCV3GDV7HZ3G5PGAWG7C}

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	2026-07-05T10:11:44.762983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70d9b78022aecc3afcf9d9baf302c6f896eca1a34ff2ba802cdd058e381d683a

Aliases

arxiv: 2502.05888 · arxiv_version: 2502.05888v1 · doi: 10.48550/arxiv.2502.05888 · pith_short_12: ODM3PABCV3GD · pith_short_16: ODM3PABCV3GDV7HZ · pith_short_8: ODM3PABC

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/ODM3PABCV3GDV7HZ3G5PGAWG7C \
  | 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: 70d9b78022aecc3afcf9d9baf302c6f896eca1a34ff2ba802cdd058e381d683a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1d92cdaf29e366835f2c89d0da8e3ea8d62f1d0d90bb534cbe5b0e48847fd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-02-09T13:01:50Z",
    "title_canon_sha256": "0fc94b59b43e05e80825cd99fd1e716f3fd0dcbfa8a9a3d3fc553748ee6c8bbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05888",
    "kind": "arxiv",
    "version": 1
  }
}