Pith Number

pith:NPPVL5TT

pith:2015:NPPVL5TTISFVDRSXA7ER2B6W24

not attested not anchored not stored refs pending

Clustering via Content-Augmented Stochastic Blockmodels

Alexander A. Alemi, J. Massey Cashore, Peter I. Frazier, Xiaoting Zhao, Yujia Liu

arxiv:1505.06538 v1 · 2015-05-25 · stat.ML · cs.LG · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPPVL5TTISFVDRSXA7ER2B6W24}

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	2026-05-18T02:03:44.700225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bdf55f673448b51c65707c91d07d6d71eb1b43bf2fde9dfebc756af3cc63c44

Aliases

arxiv: 1505.06538 · arxiv_version: 1505.06538v1 · doi: 10.48550/arxiv.1505.06538 · pith_short_12: NPPVL5TTISFV · pith_short_16: NPPVL5TTISFVDRSX · pith_short_8: NPPVL5TT

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/NPPVL5TTISFVDRSXA7ER2B6W24 \
  | 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: 6bdf55f673448b51c65707c91d07d6d71eb1b43bf2fde9dfebc756af3cc63c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ece12e32a16a101ca31ef6d584da70afbd53243e30ac360e2352324559358087",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-05-25T04:19:12Z",
    "title_canon_sha256": "41b8832ae075081087bc37706c2100539af68fbd8c6713504d70bb3df0f0e9e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06538",
    "kind": "arxiv",
    "version": 1
  }
}