Pith Number

pith:MSVO2PKX

pith:2022:MSVO2PKXWUHHQJ6T3QSWYZONVD

not attested not anchored not stored refs pending

Dissolving Constraints for Riemannian Optimization

Kim-Chuan Toh, Nachuan Xiao, Xin Liu

arxiv:2203.10319 v3 · 2022-03-19 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MSVO2PKXWUHHQJ6T3QSWYZONVD}

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	2026-07-05T05:06:55.980017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64aaed3d57b50e7827d3dc256c65cda8dc566d4c24731eba7a4b863ec12df42d

Aliases

arxiv: 2203.10319 · arxiv_version: 2203.10319v3 · doi: 10.48550/arxiv.2203.10319 · pith_short_12: MSVO2PKXWUHH · pith_short_16: MSVO2PKXWUHHQJ6T · pith_short_8: MSVO2PKX

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/MSVO2PKXWUHHQJ6T3QSWYZONVD \
  | 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: 64aaed3d57b50e7827d3dc256c65cda8dc566d4c24731eba7a4b863ec12df42d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45688319c29f6991a7104bf068c6cc1d777537d89e3054ab0d4a5e88ccd889de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-03-19T13:01:08Z",
    "title_canon_sha256": "20e934057213a73a59a64c8e2f6354621650d099ffab2f750c7c134312ccaf6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.10319",
    "kind": "arxiv",
    "version": 3
  }
}