Pith Number

pith:JWU5NRC2

pith:2017:JWU5NRC26JB4F73J4ULSLV4XQV

not attested not anchored not stored refs pending

Community Detection by $L_0$-penalized Graph Laplacian

(2) Department of Mathematics, Chong Chen (1), Nan Lin (2) ((1) School of Mathematical Sciences, Peking University, Ruibin Xi (1), Washington University in St. Louis)

arxiv:1706.10273 v1 · 2017-06-30 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWU5NRC26JB4F73J4ULSLV4XQV}

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	2026-05-18T00:41:08.972849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4da9d6c45af243c2ff69e51725d7978566c1efc4546c2e825abbe0655ec9cf9d

Aliases

arxiv: 1706.10273 · arxiv_version: 1706.10273v1 · doi: 10.48550/arxiv.1706.10273 · pith_short_12: JWU5NRC26JB4 · pith_short_16: JWU5NRC26JB4F73J · pith_short_8: JWU5NRC2

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/JWU5NRC26JB4F73J4ULSLV4XQV \
  | 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: 4da9d6c45af243c2ff69e51725d7978566c1efc4546c2e825abbe0655ec9cf9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b8da14676b80543971a8b504e31d8ba800e04b489be9ad9b36502b4893cdb18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-06-30T17:01:03Z",
    "title_canon_sha256": "4711fb86d5b103d2d067e09bc9ff43b28ac6a9791052b92e1668327c984140ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10273",
    "kind": "arxiv",
    "version": 1
  }
}