Pith Number

pith:ALSC6PNZ

pith:2021:ALSC6PNZSUKHAPAVQXTLB27RRT

not attested not anchored not stored refs pending

On Riemannian Approach for Constrained Optimization Model in Extreme Classification Problems

Jayadev Naram, Pawan Kumar, Tanmay Kumar Sinha

arxiv:2109.15021 v1 · 2021-09-30 · math.OC · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALSC6PNZSUKHAPAVQXTLB27RRT}

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	2026-07-05T03:18:47.290480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02e42f3db99514703c1585e6b0ebf18ce4426da162703826fec40d01195c69a3

Aliases

arxiv: 2109.15021 · arxiv_version: 2109.15021v1 · doi: 10.48550/arxiv.2109.15021 · pith_short_12: ALSC6PNZSUKH · pith_short_16: ALSC6PNZSUKHAPAV · pith_short_8: ALSC6PNZ

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/ALSC6PNZSUKHAPAVQXTLB27RRT \
  | 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: 02e42f3db99514703c1585e6b0ebf18ce4426da162703826fec40d01195c69a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cd555ff34a28c7222689b69ab6d618fb46a391588e5f911110a9edb29045c92",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-09-30T11:28:35Z",
    "title_canon_sha256": "25c446e3f3e6983d1386f683947dc1bde9e01d1e21cff7ee70c609818f00f331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.15021",
    "kind": "arxiv",
    "version": 1
  }
}