Pith Number

pith:E6A2HEEB

pith:2022:E6A2HEEBFSLRV7VXMKK4HPCN72

not attested not anchored not stored refs pending

New Coresets for Projective Clustering and Applications

Dan Feldman, Murad Tukan, Samson Zhou, Vladimir Braverman, Xuan Wu

arxiv:2203.04370 v1 · 2022-03-08 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6A2HEEBFSLRV7VXMKK4HPCN72}

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	2026-07-05T04:03:17.404510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2781a390812c971afeb76295c3bc4dfe91fcaab18bd1c324b3e6b73acd5b3474

Aliases

arxiv: 2203.04370 · arxiv_version: 2203.04370v1 · doi: 10.48550/arxiv.2203.04370 · pith_short_12: E6A2HEEBFSLR · pith_short_16: E6A2HEEBFSLRV7VX · pith_short_8: E6A2HEEB

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/E6A2HEEBFSLRV7VXMKK4HPCN72 \
  | 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: 2781a390812c971afeb76295c3bc4dfe91fcaab18bd1c324b3e6b73acd5b3474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38c44f07f9dc7397ddf49e1ef91e9d51be193288a85c63f549c3521a7e3bcc90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-03-08T19:50:27Z",
    "title_canon_sha256": "c000d067b0f6844d89f038cd7dad9de0e5d23ff99cb31f668a6959e5ef8eec65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.04370",
    "kind": "arxiv",
    "version": 1
  }
}