Pith Number

pith:R2XKMFCD

pith:2021:R2XKMFCDZRSD2TQJGVKLV7XTSV

not attested not anchored not stored refs pending

HetMAML: Task-Heterogeneous Model-Agnostic Meta-Learning for Few-Shot Learning Across Modalities

Aidong Zhang, Jiayi Chen

arxiv:2105.07889 v3 · 2021-05-17 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2XKMFCDZRSD2TQJGVKLV7XTSV}

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	2026-07-05T03:17:51.226799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eaea61443cc643d4e093554bafef3954c6e8fa33c77f932ccf95e0bf6ad5005

Aliases

arxiv: 2105.07889 · arxiv_version: 2105.07889v3 · doi: 10.48550/arxiv.2105.07889 · pith_short_12: R2XKMFCDZRSD · pith_short_16: R2XKMFCDZRSD2TQJ · pith_short_8: R2XKMFCD

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/R2XKMFCDZRSD2TQJGVKLV7XTSV \
  | 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: 8eaea61443cc643d4e093554bafef3954c6e8fa33c77f932ccf95e0bf6ad5005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16772017ea258f506a960e760da295b38d0b7a0e86927d8e69a68c328b149d9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-05-17T14:22:58Z",
    "title_canon_sha256": "61265057f51d0a5c8deaf28bf0456d6fbc68d4fd086d763928ac8160854b67db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07889",
    "kind": "arxiv",
    "version": 3
  }
}