Pith Number

pith:S4E62RYI

pith:2016:S4E62RYIRYKLNDHZARZRO7SWAD

not attested not anchored not stored refs pending

Faster Coreset Construction for Projective Clustering via Low-Rank Approximation

Rameshwar Pratap, Sandeep Sen

arxiv:1606.07992 v5 · 2016-06-26 · cs.CG · 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{S4E62RYIRYKLNDHZARZRO7SWAD}

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	2026-05-18T00:10:48.154808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9709ed47088e14b68cf90473177e5600cabe35fe580f3f5f9648e86b286d0a96

Aliases

arxiv: 1606.07992 · arxiv_version: 1606.07992v5 · doi: 10.48550/arxiv.1606.07992 · pith_short_12: S4E62RYIRYKL · pith_short_16: S4E62RYIRYKLNDHZ · pith_short_8: S4E62RYI

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/S4E62RYIRYKLNDHZARZRO7SWAD \
  | 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: 9709ed47088e14b68cf90473177e5600cabe35fe580f3f5f9648e86b286d0a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b00bae8c357e6af00b614054cbfe8901e36cc7470a36637f1e46abd33715baf2",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-06-26T03:31:02Z",
    "title_canon_sha256": "154c4f0da95b22a6042a4a7994107e2038071edc069e82058dc6df2fd979f161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07992",
    "kind": "arxiv",
    "version": 5
  }
}