Pith Number

pith:O7MEP7BF

pith:2018:O7MEP7BF24Z74CLR4B3TSMXBYB

not attested not anchored not stored refs pending

Toward Multimodal Model-Agnostic Meta-Learning

Hexiang Hu, Joseph J. Lim, Risto Vuorio, Shao-Hua Sun

arxiv:1812.07172 v1 · 2018-12-18 · 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{O7MEP7BF24Z74CLR4B3TSMXBYB}

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	2026-05-17T23:58:07.762837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77d847fc25d733fe0971e0773932e1c07266b55b2923066e760edf03841f6ce5

Aliases

arxiv: 1812.07172 · arxiv_version: 1812.07172v1 · doi: 10.48550/arxiv.1812.07172 · pith_short_12: O7MEP7BF24Z7 · pith_short_16: O7MEP7BF24Z74CLR · pith_short_8: O7MEP7BF

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/O7MEP7BF24Z74CLR4B3TSMXBYB \
  | 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: 77d847fc25d733fe0971e0773932e1c07266b55b2923066e760edf03841f6ce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac169fc4e2e0d7db879c364f0c385772312e3425ad6451dae458276995e3fb0",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-18T05:08:54Z",
    "title_canon_sha256": "e1b2ff87f2f683823e3617d3cfbcd76ab3b59878d46617c9a4a31b0b81888b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07172",
    "kind": "arxiv",
    "version": 1
  }
}