Pith Number

pith:PDOTSJ7P

pith:2021:PDOTSJ7PMIX26RHX4GWNEURQEZ

not attested not anchored not stored refs pending

Online Hyperparameter Meta-Learning with Hypergradient Distillation

Eunho Yang, Hae Beom Lee, Hayeon Lee, Jaewoong Shin, Sung Ju Hwang, Timothy Hospedales

arxiv:2110.02508 v2 · 2021-10-06 · 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{PDOTSJ7PMIX26RHX4GWNEURQEZ}

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	2026-07-05T03:56:16.423493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78dd3927ef622faf44f7e1acd2523026741a2df47a6c9f49addaca623c7de880

Aliases

arxiv: 2110.02508 · arxiv_version: 2110.02508v2 · doi: 10.48550/arxiv.2110.02508 · pith_short_12: PDOTSJ7PMIX2 · pith_short_16: PDOTSJ7PMIX26RHX · pith_short_8: PDOTSJ7P

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/PDOTSJ7PMIX26RHX4GWNEURQEZ \
  | 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: 78dd3927ef622faf44f7e1acd2523026741a2df47a6c9f49addaca623c7de880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07740f2f4e15357e8f6a56c5dcd75e736805c2973aca23d8054e31975ca0cbbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-06T05:14:53Z",
    "title_canon_sha256": "69a7af6a5d532c7e29212b135a3269e8f9a4f4bac9175a15205c0e9f2e69a77f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02508",
    "kind": "arxiv",
    "version": 2
  }
}