Pith Number

pith:TCCN5OV6

pith:2025:TCCN5OV6DSAFA3CRMTCKYZIKW2

not attested not anchored not stored refs pending

Optimization on the Oblique Manifold for Sparse Simplex Constraints via Multiplicative Updates

Andersen Ang, Flavia Esposito

arxiv:2503.24075 v4 · 2025-03-31 · math.OC · 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{TCCN5OV6DSAFA3CRMTCKYZIKW2}

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	2026-07-02T00:18:10.062950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9884debabe1c80506c5164c4ac650ab6b0cf556c3316857c4d74b0ab0c14efcc

Aliases

arxiv: 2503.24075 · arxiv_version: 2503.24075v4 · doi: 10.48550/arxiv.2503.24075 · pith_short_12: TCCN5OV6DSAF · pith_short_16: TCCN5OV6DSAFA3CR · pith_short_8: TCCN5OV6

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/TCCN5OV6DSAFA3CRMTCKYZIKW2 \
  | 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: 9884debabe1c80506c5164c4ac650ab6b0cf556c3316857c4d74b0ab0c14efcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9904e28546d4b26cf71a7bf3aeab8dc73ef87d7fb6fd86c93b0d243ac3bb5ca",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-03-31T13:31:05Z",
    "title_canon_sha256": "ec0c4445d5150e6ac98d155b3893d191f0c7361d73d816c90059c683e7ca1c45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.24075",
    "kind": "arxiv",
    "version": 4
  }
}