Pith Number

pith:PSI4NBGD

pith:2019:PSI4NBGDTHGY3NZNRSB56PAJ2D

not attested not anchored not stored refs pending

Task Selection Policies for Multitask Learning

Chris Hokamp, John Glover

arxiv:1907.06214 v1 · 2019-07-14 · 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{PSI4NBGDTHGY3NZNRSB56PAJ2D}

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	2026-05-17T23:40:38.210481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c91c684c399cd8db72d8c83df3c09d0ef982094ab93eb32f753950ac58ba0e5

Aliases

arxiv: 1907.06214 · arxiv_version: 1907.06214v1 · doi: 10.48550/arxiv.1907.06214 · pith_short_12: PSI4NBGDTHGY · pith_short_16: PSI4NBGDTHGY3NZN · pith_short_8: PSI4NBGD

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/PSI4NBGDTHGY3NZNRSB56PAJ2D \
  | 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: 7c91c684c399cd8db72d8c83df3c09d0ef982094ab93eb32f753950ac58ba0e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dee80eb1054dd6da49afc519ca916aefff79f60db6f07bfa888cb11ff339443e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-14T12:22:57Z",
    "title_canon_sha256": "1f7fde0f69822128e044cba427f75cc12ab1b66e9afa85330bb97e5e12ad0005"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06214",
    "kind": "arxiv",
    "version": 1
  }
}