Pith Number

pith:QKGFVDFW

pith:2021:QKGFVDFWVWVCMPYRIQVNXJN2XH

not attested not anchored not stored refs pending

Understanding the role of importance weighting for deep learning

Chuanwei Ruan, Da Xu, Yuting Ye

arxiv:2103.15209 v1 · 2021-03-28 · cs.LG

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

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\usepackage{pith}
\pithnumber{QKGFVDFWVWVCMPYRIQVNXJN2XH}

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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.

Cited by

2 papers in Pith

LiLAW: Lightweight Learnable Adaptive Weighting to Learn Sample Difficulty & Improve Noisy Training

IDQL: Implicit Q-Learning as an Actor-Critic Method with Diffusion Policies

Receipt and verification

First computed	2026-07-05T02:27:03.624536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828c5a8cb6adaa263f11442adba5bab9d60fd7a1dbe91c926aca496135453cd8

Aliases

arxiv: 2103.15209 · arxiv_version: 2103.15209v1 · doi: 10.48550/arxiv.2103.15209 · pith_short_12: QKGFVDFWVWVC · pith_short_16: QKGFVDFWVWVCMPYR · pith_short_8: QKGFVDFW

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/QKGFVDFWVWVCMPYRIQVNXJN2XH \
  | 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: 828c5a8cb6adaa263f11442adba5bab9d60fd7a1dbe91c926aca496135453cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a201b17fa6dc7450e5bad142b45f2878ad8031b5f3237ac62c6f39d18fa633",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-28T19:44:47Z",
    "title_canon_sha256": "787c66ea55572ac4c8ea23906a5ba482f2b9e3f5ee33af4373a6fb2b5bbb1ea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15209",
    "kind": "arxiv",
    "version": 1
  }
}