Pith Number

pith:6UEHV3B3

pith:2022:6UEHV3B3GL2O2NQ54K42R4VMXD

not attested not anchored not stored refs pending

On the Optimization Landscape of Neural Collapse under MSE Loss: Global Optimality with Unconstrained Features

Chong You, Jinxin Zhou, Qing Qu, Tianyu Ding, Xiao Li, Zhihui Zhu

arxiv:2203.01238 v2 · 2022-03-02 · cs.LG · cs.AI · cs.IT · math.IT · math.OC · 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{6UEHV3B3GL2O2NQ54K42R4VMXD}

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	2026-07-05T04:04:46.619321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5087aec3b32f4ed361de2b9a8f2acb8da90b3bdfaa0fd3cd8d94dbd0f9ff23e

Aliases

arxiv: 2203.01238 · arxiv_version: 2203.01238v2 · doi: 10.48550/arxiv.2203.01238 · pith_short_12: 6UEHV3B3GL2O · pith_short_16: 6UEHV3B3GL2O2NQ5 · pith_short_8: 6UEHV3B3

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/6UEHV3B3GL2O2NQ54K42R4VMXD \
  | 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: f5087aec3b32f4ed361de2b9a8f2acb8da90b3bdfaa0fd3cd8d94dbd0f9ff23e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e581e3400bc1eb88b540d7b35f146d383ddba9939b95d485cbca57f28df952",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "math.IT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-03-02T17:00:18Z",
    "title_canon_sha256": "8c5bc0864467098151b03ba6df44bec923fe016d0491949ee88ced7e38902152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.01238",
    "kind": "arxiv",
    "version": 2
  }
}