Pith Number

pith:ROJJZR2A

pith:2011:ROJJZR2AMKSAZHNVYLDQOMBWT6

not attested not anchored not stored refs pending

On positivity of principal minors of bivariate Bezier collocation matrix

Gasper Jaklic, Tadej Kanduc

arxiv:1106.0631 v2 · 2011-06-03 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ROJJZR2AMKSAZHNVYLDQOMBWT6}

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	2026-06-03T23:06:55.859899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b929cc74062a40c9db5c2c70730369f86a1c5675b7a1652c33ce44af7ee7509

Aliases

arxiv: 1106.0631 · arxiv_version: 1106.0631v2 · doi: 10.48550/arxiv.1106.0631 · pith_short_12: ROJJZR2AMKSA · pith_short_16: ROJJZR2AMKSAZHNV · pith_short_8: ROJJZR2A

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/ROJJZR2AMKSAZHNVYLDQOMBWT6 \
  | 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: 8b929cc74062a40c9db5c2c70730369f86a1c5675b7a1652c33ce44af7ee7509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46cde08b68ddb3afeb0a47642b0896ec73d93a8fa3d249c997c3035d185b5aad",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-06-03T13:25:10Z",
    "title_canon_sha256": "77f10b09f8ce170f06317922717c5daa48caf89931d3ac6e844014ad4859df0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0631",
    "kind": "arxiv",
    "version": 2
  }
}