Pith Number

pith:HYCOQJC7

pith:2015:HYCOQJC7T2OUYRFL43LBM4EFPD

not attested not anchored not stored refs pending

Detecting Overlapping Communities from Local Spectral Subspaces

David Bindel, John E Hopcroft, Kun He, Yiwei Sun, Yixuan Li

arxiv:1509.08065 v1 · 2015-09-27 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYCOQJC7T2OUYRFL43LBM4EFPD}

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	2026-05-18T01:31:54.810307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e04e8245f9e9d4c44abe6d616708578f7ae23e9b42efa5b25ea8278cf85b2cc

Aliases

arxiv: 1509.08065 · arxiv_version: 1509.08065v1 · doi: 10.48550/arxiv.1509.08065 · pith_short_12: HYCOQJC7T2OU · pith_short_16: HYCOQJC7T2OUYRFL · pith_short_8: HYCOQJC7

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/HYCOQJC7T2OUYRFL43LBM4EFPD \
  | 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: 3e04e8245f9e9d4c44abe6d616708578f7ae23e9b42efa5b25ea8278cf85b2cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00cdc8166e9fe9c16e6474fc0c59899b9a5c83aa8789d324a8baf1e577a6456a",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-09-27T07:56:50Z",
    "title_canon_sha256": "2245ddb8fb3c2e67ccdfa70805d71ad597941cc2a0f4fbf44bbbeee5bc9b06ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08065",
    "kind": "arxiv",
    "version": 1
  }
}