Pith Number

pith:BXFP4BX6

pith:2018:BXFP4BX6EZ6MVDBLGEOEI4NVTG

not attested not anchored not stored refs pending

On Equivalence and Computational Efficiency of the Major Relaxation Methods for Minimum Ellipsoid Containing the Intersection of Ellipsoids

Xiaojing Shen, Yunmin Zhu, Zhiguo Wang

arxiv:1804.00106 v1 · 2018-03-31 · 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{BXFP4BX6EZ6MVDBLGEOEI4NVTG}

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	2026-05-18T00:19:38.362912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dcafe06fe267cca8c2b311c4471b59995b5b3d6ab2d287258b5df79b4a448de

Aliases

arxiv: 1804.00106 · arxiv_version: 1804.00106v1 · doi: 10.48550/arxiv.1804.00106 · pith_short_12: BXFP4BX6EZ6M · pith_short_16: BXFP4BX6EZ6MVDBL · pith_short_8: BXFP4BX6

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/BXFP4BX6EZ6MVDBLGEOEI4NVTG \
  | 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: 0dcafe06fe267cca8c2b311c4471b59995b5b3d6ab2d287258b5df79b4a448de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bfa1102f275024ae3e4e1169f076236e4acaa29aa2c6c9fdf9bf847e33d63c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-03-31T02:26:23Z",
    "title_canon_sha256": "23e4d94167d9bc7994cf8a53fdd2b411874c13bccd191816e1a771b1f5a78641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00106",
    "kind": "arxiv",
    "version": 1
  }
}