Pith Number

pith:UTM5AWFG

pith:2023:UTM5AWFG6OKUFZBOGJWS4LHQPR

not attested not anchored not stored refs pending

Joint Problems in Learning Multiple Dynamical Systems

Jakub Marecek, Mengjia Niu, Petr Ry\v{s}av\'y, Quan Zhou, Xiaoyu He

arxiv:2311.02181 v4 · 2023-11-03 · math.OC · cs.AI · 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{UTM5AWFG6OKUFZBOGJWS4LHQPR}

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	2026-07-05T11:56:47.658625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4d9d058a6f39542e42e326d2e2cf07c5a1171d5cf5ff83ae3aa85e112fa9fb3

Aliases

arxiv: 2311.02181 · arxiv_version: 2311.02181v4 · doi: 10.48550/arxiv.2311.02181 · pith_short_12: UTM5AWFG6OKU · pith_short_16: UTM5AWFG6OKUFZBO · pith_short_8: UTM5AWFG

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/UTM5AWFG6OKUFZBOGJWS4LHQPR \
  | 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: a4d9d058a6f39542e42e326d2e2cf07c5a1171d5cf5ff83ae3aa85e112fa9fb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ab1054a95130d8b3e74167faac8c1694ab32af96eaa3d68c7d88eee7f4e871",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-11-03T18:16:00Z",
    "title_canon_sha256": "23931fef04ee62c9e9d0d509c56e9c07f76d792306979d7f89c9a8645b6ab54a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.02181",
    "kind": "arxiv",
    "version": 4
  }
}