Pith Number

pith:S4VPQSEL

pith:2021:S4VPQSEL5VHSWVQGIQA7WQI4UP

not attested not anchored not stored refs pending

Probabilistic task modelling for meta-learning

Cuong C. Nguyen, Gustavo Carneiro, Thanh-Toan Do

arxiv:2106.04802 v2 · 2021-06-09 · 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{S4VPQSEL5VHSWVQGIQA7WQI4UP}

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	2026-07-05T04:06:15.142332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

972af8488bed4f2b56064401fb411ca3e2f3815da0de8244c613377708a39e3a

Aliases

arxiv: 2106.04802 · arxiv_version: 2106.04802v2 · doi: 10.48550/arxiv.2106.04802 · pith_short_12: S4VPQSEL5VHS · pith_short_16: S4VPQSEL5VHSWVQG · pith_short_8: S4VPQSEL

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/S4VPQSEL5VHSWVQGIQA7WQI4UP \
  | 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: 972af8488bed4f2b56064401fb411ca3e2f3815da0de8244c613377708a39e3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a7d21f77a9bb66fe56fecda9a44d57c48e32a05c150fa08f919c087d259f3e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-09T04:34:12Z",
    "title_canon_sha256": "cb08b9ae48b96fd4309789f157c0ccc6c7deaf4bc7123e798ca6e9a50c5d3907"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04802",
    "kind": "arxiv",
    "version": 2
  }
}