Pith Number

pith:4U3K4IWI

pith:2020:4U3K4IWINIAQ4TERVOKB3R2WBD

not attested not anchored not stored refs pending

Learning to Branch for Multi-Task Learning

Chen-Yu Lee, Daniel Ulbricht, Pengsheng Guo

arxiv:2006.01895 v2 · 2020-06-02 · cs.LG · cs.CV · 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{4U3K4IWINIAQ4TERVOKB3R2WBD}

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	2026-07-05T01:09:07.292731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e536ae22c86a010e4c91ab941dc75608d36e45ee51919b862cbccd65b459e818

Aliases

arxiv: 2006.01895 · arxiv_version: 2006.01895v2 · doi: 10.48550/arxiv.2006.01895 · pith_short_12: 4U3K4IWINIAQ · pith_short_16: 4U3K4IWINIAQ4TER · pith_short_8: 4U3K4IWI

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/4U3K4IWINIAQ4TERVOKB3R2WBD \
  | 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: e536ae22c86a010e4c91ab941dc75608d36e45ee51919b862cbccd65b459e818

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28b93fa91734a53e355f4c8cef79bf7c72171e9598eccc3e6beea51531693b82",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-06-02T19:23:21Z",
    "title_canon_sha256": "ee278415fffca6afabfbc99a187bb00ea44718c7e1f96dfdb002334e2b3d0538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.01895",
    "kind": "arxiv",
    "version": 2
  }
}