Pith Number

pith:25F6GIFE

pith:2021:25F6GIFE3NLXBOJT72QH6WXQR6

not attested not anchored not stored refs pending

Spectral Clustering Oracles in Sublinear Time

Aida Mousavifar, Christian Sohler, Grzegorz Gluch, Michael Kapralov, Silvio Lattanzi

arxiv:2101.05549 v2 · 2021-01-14 · 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{25F6GIFE3NLXBOJT72QH6WXQR6}

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	2026-07-05T03:23:38.472000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d74be320a4db5770b933fea07f5af08fae87976f4858e0b73f6e08e36a4ddbef

Aliases

arxiv: 2101.05549 · arxiv_version: 2101.05549v2 · doi: 10.48550/arxiv.2101.05549 · pith_short_12: 25F6GIFE3NLX · pith_short_16: 25F6GIFE3NLXBOJT · pith_short_8: 25F6GIFE

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/25F6GIFE3NLXBOJT72QH6WXQR6 \
  | 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: d74be320a4db5770b933fea07f5af08fae87976f4858e0b73f6e08e36a4ddbef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "843e05fe8dd68dde1b667dd63284a6e8cc4ba0e342dcaf3de81b1a55da264f70",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-01-14T11:09:26Z",
    "title_canon_sha256": "3acfb740ee3d25d8716e5c080c7de0c009167953f9980214789067e229b7c929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05549",
    "kind": "arxiv",
    "version": 2
  }
}