Pith Number

pith:NKIVNNLS

pith:2018:NKIVNNLSQH7HFGY7O2GHG32XZ5

not attested not anchored not stored refs pending

Model Learning: A Survey on Foundation, Tools and Applications

Hailong Sun, Shahbaz Ali, Yongwang Zhao

arxiv:1901.01910 v1 · 2018-12-06 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKIVNNLSQH7HFGY7O2GHG32XZ5}

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	2026-05-17T23:56:49.361997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9156b57281fe729b1f768c736f57cf7491bd4f639b3b392d112e42c695ee30

Aliases

arxiv: 1901.01910 · arxiv_version: 1901.01910v1 · doi: 10.48550/arxiv.1901.01910 · pith_short_12: NKIVNNLSQH7H · pith_short_16: NKIVNNLSQH7HFGY7 · pith_short_8: NKIVNNLS

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/NKIVNNLSQH7HFGY7O2GHG32XZ5 \
  | 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: 6a9156b57281fe729b1f768c736f57cf7491bd4f639b3b392d112e42c695ee30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a3933109387a07d5bae9cc3017b0b4db4191546c4b48300c8535c3b86a3734",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-12-06T03:09:07Z",
    "title_canon_sha256": "0045922fe1902efb36a6d9f244d0eb6b7a75c13fc528ddd7e31a39bcabf5e4a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01910",
    "kind": "arxiv",
    "version": 1
  }
}