Pith Number

pith:36LBWFB4

pith:2013:36LBWFB4Z7X5IYIK6ZRO7SICLJ

not attested not anchored not stored refs pending

Hierarchical Data Representation Model - Multi-layer NMF

Hyun Ah Song, Soo-Young Lee

arxiv:1301.6316 v3 · 2013-01-27 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36LBWFB4Z7X5IYIK6ZRO7SICLJ}

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	2026-05-18T03:30:40.929916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df961b143ccfefd4610af662efc9025a4616353a027a71c769e6c22865d2b6cf

Aliases

arxiv: 1301.6316 · arxiv_version: 1301.6316v3 · doi: 10.48550/arxiv.1301.6316 · pith_short_12: 36LBWFB4Z7X5 · pith_short_16: 36LBWFB4Z7X5IYIK · pith_short_8: 36LBWFB4

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/36LBWFB4Z7X5IYIK6ZRO7SICLJ \
  | 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: df961b143ccfefd4610af662efc9025a4616353a027a71c769e6c22865d2b6cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e15ddbbe1f4a9cf14703227a2ee851718daeddf77e499447e788dd918907ed85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-01-27T04:51:21Z",
    "title_canon_sha256": "2060707e2b291f2c204cb273a47c19884eb43d59ac7216d107947d00c3933dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6316",
    "kind": "arxiv",
    "version": 3
  }
}