Pith Number

pith:ERFNB4XD

pith:2015:ERFNB4XDNMIKDBYGOSUDQ2ASQE

not attested not anchored not stored refs pending

Micro-Clustering: Finding Small Clusters in Large Diversity

Hiroki Maegawa, Makoto Tatsuta, Ryo Yoshinaka, Takanobu Nakahara, Takeaki Uno, Yukinobu Hamuro

arxiv:1507.03067 v2 · 2015-07-11 · cs.DS · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERFNB4XDNMIKDBYGOSUDQ2ASQE}

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	2026-05-18T01:12:55.381133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244ad0f2e36b10a1870674a8386812811c8bdb54fd39255f1cfdbc18548babc4

Aliases

arxiv: 1507.03067 · arxiv_version: 1507.03067v2 · doi: 10.48550/arxiv.1507.03067 · pith_short_12: ERFNB4XDNMIK · pith_short_16: ERFNB4XDNMIKDBYG · pith_short_8: ERFNB4XD

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/ERFNB4XDNMIKDBYGOSUDQ2ASQE \
  | 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: 244ad0f2e36b10a1870674a8386812811c8bdb54fd39255f1cfdbc18548babc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f25bd0e9c1647a5c5a1ff5328fa7774a940fa7b4bc4ddc0c1de9b1b3d916c0",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-11T06:21:19Z",
    "title_canon_sha256": "d75a02b64be97262200d4bc056dd0389f08c61785d2b2e1e8ef101198f7cca2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03067",
    "kind": "arxiv",
    "version": 2
  }
}