Pith Number

pith:EAVTIHT4

pith:2019:EAVTIHT46W7QSKYUZ5LPGFZFWL

not attested not anchored not stored refs pending

Accelerated Optimization With Orthogonality Constraints

Jonathan W. Siegel

arxiv:1903.05204 v4 · 2019-03-12 · 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{EAVTIHT46W7QSKYUZ5LPGFZFWL}

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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

1 paper in Pith

Improved Penalty Function Approaches for Optimization Problems with General Orthogonality

Receipt and verification

First computed	2026-07-05T02:04:53.818105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

202b341e7cf5bf092b14cf56f31725b2e51d2f3e5c6191213dd1ec35db2214f6

Aliases

arxiv: 1903.05204 · arxiv_version: 1903.05204v4 · doi: 10.48550/arxiv.1903.05204 · pith_short_12: EAVTIHT46W7Q · pith_short_16: EAVTIHT46W7QSKYU · pith_short_8: EAVTIHT4

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/EAVTIHT46W7QSKYUZ5LPGFZFWL \
  | 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: 202b341e7cf5bf092b14cf56f31725b2e51d2f3e5c6191213dd1ec35db2214f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "030a8cdfccec86d97f62071f9b0d72e6618fb6e7506dc4576a1df602850cf382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-12T20:43:25Z",
    "title_canon_sha256": "13e460063c6df0bb0afd87607b771fc61ccc688cf53a22f86f20e2e414e2f83a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05204",
    "kind": "arxiv",
    "version": 4
  }
}