Pith Number

pith:UXGWQTTW

pith:2018:UXGWQTTWQZ6ZPCBMLSQTEMEFGE

not attested not anchored not stored refs pending

Graph reduction with spectral and cut guarantees

Andreas Loukas

arxiv:1808.10650 v2 · 2018-08-31 · cs.DS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXGWQTTWQZ6ZPCBMLSQTEMEFGE}

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.

Cited by

1 paper in Pith

Fully Dynamic Spectral Vertex Sparsifiers and Applications

Receipt and verification

First computed	2026-05-17T23:57:14.974442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5cd684e76867d97882c5ca1323085312a8ea872ec946cf683f05d375e8e5f73

Aliases

arxiv: 1808.10650 · arxiv_version: 1808.10650v2 · doi: 10.48550/arxiv.1808.10650 · pith_short_12: UXGWQTTWQZ6Z · pith_short_16: UXGWQTTWQZ6ZPCBM · pith_short_8: UXGWQTTW

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/UXGWQTTWQZ6ZPCBMLSQTEMEFGE \
  | 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: a5cd684e76867d97882c5ca1323085312a8ea872ec946cf683f05d375e8e5f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b698c71ea31471a083118df809eb066ece062f9a21253406002a5733b40ab30f",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-08-31T09:51:12Z",
    "title_canon_sha256": "c5860aecb86e2d79eb8b32498e9379dfc85f86211074fc20eedefacd58730a4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10650",
    "kind": "arxiv",
    "version": 2
  }
}