Pith Number

pith:PZHY3DFO

pith:2021:PZHY3DFOVJEVTBQ75UHNBME2R6

not attested not anchored not stored refs pending

On Data Efficiency of Meta-learning

Ameet Talwalkar, Eric Xing, Liam Li, Maruan Al-Shedivat

arxiv:2102.00127 v1 · 2021-01-30 · cs.LG · cs.AI · 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{PZHY3DFOVJEVTBQ75UHNBME2R6}

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	2026-07-05T02:10:50.465569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e4f8d8caeaa4959861fed0ed0b09a8fb7abec94a03e0aa8229df67355512be5

Aliases

arxiv: 2102.00127 · arxiv_version: 2102.00127v1 · doi: 10.48550/arxiv.2102.00127 · pith_short_12: PZHY3DFOVJEV · pith_short_16: PZHY3DFOVJEVTBQ7 · pith_short_8: PZHY3DFO

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/PZHY3DFOVJEVTBQ75UHNBME2R6 \
  | 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: 7e4f8d8caeaa4959861fed0ed0b09a8fb7abec94a03e0aa8229df67355512be5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "718eff19fde37427171b467bb1698f38d532426eac8ea3aa0f56127dea907197",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-30T01:44:12Z",
    "title_canon_sha256": "d5175b3047a2b45972e6ed9d8d0b0b4af005b9c503fd9b4a567801acc510b5c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00127",
    "kind": "arxiv",
    "version": 1
  }
}