Pith Number

pith:FVVSFD5O

pith:2026:FVVSFD5OFVLNYAJFMG7APOUKMX

not attested not anchored not stored refs pending

Solving Multivariate Polynomial Systems and Rectangular Multiparameter Eigenvalue Problems with MacaulayLab

Bart De Moor, Christof Vermeersch

arxiv:2605.20884 v1 · 2026-05-20 · cs.MS · cs.NA · math.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{FVVSFD5OFVLNYAJFMG7APOUKMX}

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	2026-05-21T01:05:26.283102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d6b228fae2d56dc012561be07ba8a65c730be9969d354150a976446c5ed256b

Aliases

arxiv: 2605.20884 · arxiv_version: 2605.20884v1 · doi: 10.48550/arxiv.2605.20884 · pith_short_12: FVVSFD5OFVLN · pith_short_16: FVVSFD5OFVLNYAJF · pith_short_8: FVVSFD5O

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/FVVSFD5OFVLNYAJFMG7APOUKMX \
  | 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: 2d6b228fae2d56dc012561be07ba8a65c730be9969d354150a976446c5ed256b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9417e006c365429652fecdaa2059b0f6ac65f8e5475b50a1153534f325fd6bd2",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2026-05-20T08:22:48Z",
    "title_canon_sha256": "0ca461d5091cba5771367aa8636a7f6fa941a653f97ea40c05ae6e6c4dd591b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20884",
    "kind": "arxiv",
    "version": 1
  }
}