Pith Number

pith:F4A5EAHH

pith:2011:F4A5EAHHGD57CK6LFSXLKGA3MT

not attested not anchored not stored refs pending

A consistent adjacency spectral embedding for stochastic blockmodel graphs

Carey E. Priebe, Daniel L. Sussman, Donniell E. Fishkind, Minh Tang

arxiv:1108.2228 v3 · 2011-08-10 · 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{F4A5EAHHGD57CK6LFSXLKGA3MT}

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	2026-05-18T03:56:58.063326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f01d200e730fbf12bcb2caeb5181b64c8e8c01053a3a7c9c06f4534a101cb52

Aliases

arxiv: 1108.2228 · arxiv_version: 1108.2228v3 · doi: 10.48550/arxiv.1108.2228 · pith_short_12: F4A5EAHHGD57 · pith_short_16: F4A5EAHHGD57CK6L · pith_short_8: F4A5EAHH

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/F4A5EAHHGD57CK6LFSXLKGA3MT \
  | 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: 2f01d200e730fbf12bcb2caeb5181b64c8e8c01053a3a7c9c06f4534a101cb52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c5c514302db1510ebbc7149e25eee5fd37d16a8ebb01e76eefd40d28bbf5fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-08-10T17:34:52Z",
    "title_canon_sha256": "8c3721abb4c99263529c5c93252f611aa373a4391bb8a4accc327014dc3290e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2228",
    "kind": "arxiv",
    "version": 3
  }
}