Pith Number

pith:WUDCN3L3

pith:2013:WUDCN3L3QS7O7K3NCCG37ZXMUI

not attested not anchored not stored refs pending

Feature Graph Architectures

Philip Leong, Richard Davis, Sanjay Chawla

arxiv:1312.4209 v1 · 2013-12-15 · 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{WUDCN3L3QS7O7K3NCCG37ZXMUI}

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	2026-05-18T03:04:35.244650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b50626ed7b84beefab6d108dbfe6eca23fe21d48a1dce75a8eda31943e9c98ab

Aliases

arxiv: 1312.4209 · arxiv_version: 1312.4209v1 · doi: 10.48550/arxiv.1312.4209 · pith_short_12: WUDCN3L3QS7O · pith_short_16: WUDCN3L3QS7O7K3N · pith_short_8: WUDCN3L3

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/WUDCN3L3QS7O7K3NCCG37ZXMUI \
  | 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: b50626ed7b84beefab6d108dbfe6eca23fe21d48a1dce75a8eda31943e9c98ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b8027c9dad4fade8d11627686a67b389d4df020cb119b5fbe3cfd9ef09118e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-12-15T23:40:49Z",
    "title_canon_sha256": "d9d6621b7b853b81abc9e86f667d80a79594601cdc1b21cad1f77f927fda1189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4209",
    "kind": "arxiv",
    "version": 1
  }
}