Pith Number

pith:Q3P3UW5Q

pith:2018:Q3P3UW5QYKS636FRTL63BGMFHH

not attested not anchored not stored refs pending

Recovering a Single Community with Side Information

Aria Nosratinia, Hussein Saad

arxiv:1809.01738 v1 · 2018-09-05 · cs.IT · math.IT · 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{Q3P3UW5QYKS636FRTL63BGMFHH}

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	2026-05-18T00:06:22.044727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86dfba5bb0c2a5edf8b19afdb0998539d254b7e1af491ee117afed0056e4bb83

Aliases

arxiv: 1809.01738 · arxiv_version: 1809.01738v1 · doi: 10.48550/arxiv.1809.01738 · pith_short_12: Q3P3UW5QYKS6 · pith_short_16: Q3P3UW5QYKS636FR · pith_short_8: Q3P3UW5Q

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/Q3P3UW5QYKS636FRTL63BGMFHH \
  | 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: 86dfba5bb0c2a5edf8b19afdb0998539d254b7e1af491ee117afed0056e4bb83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f3f4e0f44b8c0075877a283f48a31da3e5a45e705d1434e02c290117991f8c8",
    "cross_cats_sorted": [
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-05T21:27:19Z",
    "title_canon_sha256": "ae120aa576a46ccba3dcfff037ffdf982c38667f553b7c2a0b9ec15fe5626f24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01738",
    "kind": "arxiv",
    "version": 1
  }
}