Pith Number

pith:V4QTPT4X

pith:2021:V4QTPT4XMVEQYI6B2BOSMU7BMR

not attested not anchored not stored refs pending

Evolving parametrized Loss for Image Classification Learning on Small Datasets

Xiabi Liu, Zhaoyang Hai

arxiv:2103.08249 v2 · 2021-03-15 · 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{V4QTPT4XMVEQYI6B2BOSMU7BMR}

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	2026-07-05T07:06:16.913230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af2137cf9765490c23c1d05d2653e16469f8681add5e4c48073a420928911e6b

Aliases

arxiv: 2103.08249 · arxiv_version: 2103.08249v2 · doi: 10.48550/arxiv.2103.08249 · pith_short_12: V4QTPT4XMVEQ · pith_short_16: V4QTPT4XMVEQYI6B · pith_short_8: V4QTPT4X

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/V4QTPT4XMVEQYI6B2BOSMU7BMR \
  | 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: af2137cf9765490c23c1d05d2653e16469f8681add5e4c48073a420928911e6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc031d935d8cc0e18adc0186e23410a84902407b6917f8d1f75ab792cbfba0b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-03-15T10:00:18Z",
    "title_canon_sha256": "f7085748b4f08975c6c60b414b5f36aea7813780b732e8ca0dbbad18a8d24e8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08249",
    "kind": "arxiv",
    "version": 2
  }
}