Pith Number

pith:S2LD7M56

pith:2024:S2LD7M56ZHV3DBFIMUKIVY7DHY

not attested not anchored not stored refs pending

Optimization over convex polyhedra via Hadamard parametrizations

Kim-Chuan Toh, Tianyun Tang

arxiv:2410.23874 v1 · 2024-10-31 · 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{S2LD7M56ZHV3DBFIMUKIVY7DHY}

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	2026-07-05T09:29:06.619623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96963fb3bec9ebb184a865148ae3e33e3b21627cd030866e1e999da4e1f5844c

Aliases

arxiv: 2410.23874 · arxiv_version: 2410.23874v1 · doi: 10.48550/arxiv.2410.23874 · pith_short_12: S2LD7M56ZHV3 · pith_short_16: S2LD7M56ZHV3DBFI · pith_short_8: S2LD7M56

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/S2LD7M56ZHV3DBFIMUKIVY7DHY \
  | 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: 96963fb3bec9ebb184a865148ae3e33e3b21627cd030866e1e999da4e1f5844c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb77feb4fe8a44d89c49d8d73dbe17d40630285923358117a544d004d3686c37",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-10-31T12:34:59Z",
    "title_canon_sha256": "4631635e2c08a4d04ea8e7f280998520afc124179890c06ec7d71fc81895ba1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.23874",
    "kind": "arxiv",
    "version": 1
  }
}