Pith Number

pith:WELO32SK

pith:2026:WELO32SK2R3A6LAFGDAH5UHWMM

not attested not anchored not stored refs pending

Approximation Preserving Coresets

Chris Schwiegelshohn, Milind Prabhu, Sudarshan Shyam

arxiv:2606.17316 v1 · 2026-06-15 · 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{WELO32SK2R3A6LAFGDAH5UHWMM}

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	2026-06-19T16:10:08.830736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b116edea4ad4760f2c0530c07ed0f6630a28f32e0fcdc0e220171073f9bd3ed4

Aliases

arxiv: 2606.17316 · arxiv_version: 2606.17316v1 · doi: 10.48550/arxiv.2606.17316 · pith_short_12: WELO32SK2R3A · pith_short_16: WELO32SK2R3A6LAF · pith_short_8: WELO32SK

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/WELO32SK2R3A6LAFGDAH5UHWMM \
  | 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: b116edea4ad4760f2c0530c07ed0f6630a28f32e0fcdc0e220171073f9bd3ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9143fdde3eb0de9594fcd55e6663523e42dbfc78f15cefbb3fa2dc2895c4792d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-06-15T21:48:03Z",
    "title_canon_sha256": "5ef4d6754bf80e8b9c32911302fee62b5914bb8ae77dc38e2d24a55b8a68d097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17316",
    "kind": "arxiv",
    "version": 1
  }
}