Pith Number

pith:KDTZWDHF

pith:2017:KDTZWDHF2JZDU7PP3OBMY2GGHV

not attested not anchored not stored refs pending

On spectral partitioning of signed graphs

Andrew V. Knyazev

arxiv:1701.01394 v2 · 2017-01-05 · cs.DS · cs.LG · math.NA · 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{KDTZWDHF2JZDU7PP3OBMY2GGHV}

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	2026-05-18T00:19:47.702062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50e79b0ce5d2723a7defdb82cc68c63d44d351b61aedaac0a630fe29c3cb0b7c

Aliases

arxiv: 1701.01394 · arxiv_version: 1701.01394v2 · doi: 10.48550/arxiv.1701.01394 · pith_short_12: KDTZWDHF2JZD · pith_short_16: KDTZWDHF2JZDU7PP · pith_short_8: KDTZWDHF

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/KDTZWDHF2JZDU7PP3OBMY2GGHV \
  | 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: 50e79b0ce5d2723a7defdb82cc68c63d44d351b61aedaac0a630fe29c3cb0b7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47c3a91d419a9de6cdb27a805bdd50707d2f1aebb66f3f68305c17ea080e4896",
    "cross_cats_sorted": [
      "cs.LG",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-01-05T17:31:16Z",
    "title_canon_sha256": "3255772cd6acd4fef534ea8474579b0ea98ad5aae45480ca8a1d10c7d98fad78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01394",
    "kind": "arxiv",
    "version": 2
  }
}