Pith Number

pith:BRZIIC4M

pith:2025:BRZIIC4MYVCMWUF32KBUOOCPL5

not attested not anchored not stored refs pending

Meta-learning optimizes predictions of missing links in real-world networks

Aaron Clauset, Bisman Singh, Lucy Van Kleunen

arxiv:2508.09069 v1 · 2025-08-12 · cs.LG · cs.SI · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRZIIC4MYVCMWUF32KBUOOCPL5}

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	2026-07-05T11:52:39.352347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c72840b8cc544cb50bbd28347384f5f79a83f248c62cc3e845e1b84dba123c9

Aliases

arxiv: 2508.09069 · arxiv_version: 2508.09069v1 · doi: 10.48550/arxiv.2508.09069 · pith_short_12: BRZIIC4MYVCM · pith_short_16: BRZIIC4MYVCMWUF3 · pith_short_8: BRZIIC4M

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/BRZIIC4MYVCMWUF32KBUOOCPL5 \
  | 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: 0c72840b8cc544cb50bbd28347384f5f79a83f248c62cc3e845e1b84dba123c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12076d2ec464a081a9c69435309b4fe834facfe7f2ca31fa38c4979df649e94a",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-12T16:41:16Z",
    "title_canon_sha256": "8d171df3b766df86a99201fcce6e50dade2dbfc5071e4af5d73e9c35178cedb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09069",
    "kind": "arxiv",
    "version": 1
  }
}