Pith Number

pith:RU7ZXNAV

pith:2025:RU7ZXNAVS7SHEFUB4SZ7C4RW3Q

not attested not anchored not stored refs pending

Term-sparse polynomial optimization for the design of frame structures

Marek Tyburec, Marouan Handa, Michal Ko\v{c}vara

arxiv:2503.20915 v1 · 2025-03-26 · 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{RU7ZXNAVS7SHEFUB4SZ7C4RW3Q}

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.

Cited by

1 paper in Pith

Sparse Polynomial Matrix Optimization

Receipt and verification

First computed	2026-07-05T10:39:50.257326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d3f9bb41597e4721681e4b3f17236dc1687061581af766c15c6502ae7004d26

Aliases

arxiv: 2503.20915 · arxiv_version: 2503.20915v1 · doi: 10.48550/arxiv.2503.20915 · pith_short_12: RU7ZXNAVS7SH · pith_short_16: RU7ZXNAVS7SHEFUB · pith_short_8: RU7ZXNAV

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/RU7ZXNAVS7SHEFUB4SZ7C4RW3Q \
  | 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: 8d3f9bb41597e4721681e4b3f17236dc1687061581af766c15c6502ae7004d26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "778a557b55cd762f133fe48f14a48914fabc0b5b75cec9d25404c020b61e8b56",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-03-26T18:43:38Z",
    "title_canon_sha256": "429dcbc747c68c322e08cce6989caa322c78eb73a99da3e4c1eab895cc915af5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.20915",
    "kind": "arxiv",
    "version": 1
  }
}