Pith Number

pith:6FDUIBVD

pith:2014:6FDUIBVD6RM2G66HJY3RJHOZTA

not attested not anchored not stored refs pending

Fast and deterministic computation of the determinant of a polynomial matrix

George Labahn, Wei Zhou

arxiv:1409.5462 v1 · 2014-09-18 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FDUIBVD6RM2G66HJY3RJHOZTA}

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	2026-05-18T02:42:27.537838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1474406a3f459a37bc74e37149dd9981d8a6baae56ad3743567f44c191b4a4e

Aliases

arxiv: 1409.5462 · arxiv_version: 1409.5462v1 · doi: 10.48550/arxiv.1409.5462 · pith_short_12: 6FDUIBVD6RM2 · pith_short_16: 6FDUIBVD6RM2G66H · pith_short_8: 6FDUIBVD

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/6FDUIBVD6RM2G66HJY3RJHOZTA \
  | 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: f1474406a3f459a37bc74e37149dd9981d8a6baae56ad3743567f44c191b4a4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58f7b85d1619e33fb1a39fdd407d1f532f0d369ef16c7eabb6ad00d868552381",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2014-09-18T20:55:37Z",
    "title_canon_sha256": "8281c4385e8788f3934b8a2c095c60358690c8041b26824af7def53136a4187a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5462",
    "kind": "arxiv",
    "version": 1
  }
}