Pith Number

pith:YMEGQC5G

pith:2016:YMEGQC5GW6OCKB7NWALJDGPNYU

not attested not anchored not stored refs pending

Fast, deterministic computation of the Hermite normal form and determinant of a polynomial matrix

George Labahn, Vincent Neiger, Wei Zhou

arxiv:1607.04176 v2 · 2016-07-14 · 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{YMEGQC5GW6OCKB7NWALJDGPNYU}

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	2026-05-18T00:47:38.169611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c308680ba6b79c2507edb0169199edc538ff78620e65d9d8c27c79999dd04c8a

Aliases

arxiv: 1607.04176 · arxiv_version: 1607.04176v2 · doi: 10.48550/arxiv.1607.04176 · pith_short_12: YMEGQC5GW6OC · pith_short_16: YMEGQC5GW6OCKB7N · pith_short_8: YMEGQC5G

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/YMEGQC5GW6OCKB7NWALJDGPNYU \
  | 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: c308680ba6b79c2507edb0169199edc538ff78620e65d9d8c27c79999dd04c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b96dcddbdf7800610cedee314d95bfad6b9da9aa9cd63df9465fb077f1f36d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2016-07-14T16:01:59Z",
    "title_canon_sha256": "ae5bd196e5afd1b84f21effefdcd00f0036f8eba32eb2ff249bf54a4a227f49c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04176",
    "kind": "arxiv",
    "version": 2
  }
}