Pith Number

pith:XM3W6MBM

pith:2015:XM3W6MBM6SA5TAZOFI7E5VGVAZ

not attested not anchored not stored refs pending

A Novel Regularized Principal Graph Learning Framework on Explicit Graph Representation

Ivor W. Tsang, Li Wang, Qi Mao, Yijun Sun

arxiv:1512.02752 v2 · 2015-12-09 · cs.AI · cs.LG · 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{XM3W6MBM6SA5TAZOFI7E5VGVAZ}

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	2026-05-18T01:22:46.148840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb376f302cf481d9832e2a3e4ed4d5065dce1ffcc5b6d90636d2f71f21d042b7

Aliases

arxiv: 1512.02752 · arxiv_version: 1512.02752v2 · doi: 10.48550/arxiv.1512.02752 · pith_short_12: XM3W6MBM6SA5 · pith_short_16: XM3W6MBM6SA5TAZO · pith_short_8: XM3W6MBM

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/XM3W6MBM6SA5TAZOFI7E5VGVAZ \
  | 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: bb376f302cf481d9832e2a3e4ed4d5065dce1ffcc5b6d90636d2f71f21d042b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f21eae07e3c36ea6cca39614566cd642a204df681afc721722dff5469dc4fcb",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-12-09T04:57:18Z",
    "title_canon_sha256": "beacf86630495b56c10947bd04f770c85b355cb573b79be99969bfc029a1e15c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02752",
    "kind": "arxiv",
    "version": 2
  }
}