Pith Number

pith:HYVACOQD

pith:2018:HYVACOQDQWVW2ZGXCHX4VUHWDB

not attested not anchored not stored refs pending

Computing Popov and Hermite forms of rectangular polynomial matrices

Grigory Solomatov, Johan Rosenkilde, Vincent Neiger

arxiv:1802.01928 v2 · 2018-02-06 · 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{HYVACOQDQWVW2ZGXCHX4VUHWDB}

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	2026-05-18T00:15:42.847009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e2a013a0385ab6d64d711efcad0f61849b0ca4d4ac86a9b56aecd5a33eb2b79

Aliases

arxiv: 1802.01928 · arxiv_version: 1802.01928v2 · doi: 10.48550/arxiv.1802.01928 · pith_short_12: HYVACOQDQWVW · pith_short_16: HYVACOQDQWVW2ZGX · pith_short_8: HYVACOQD

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/HYVACOQDQWVW2ZGXCHX4VUHWDB \
  | 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: 3e2a013a0385ab6d64d711efcad0f61849b0ca4d4ac86a9b56aecd5a33eb2b79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8659d563cea8bee98f7a4482374b66690d4bf5c7d89ca1419ee8d9f4218e5211",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2018-02-06T13:08:56Z",
    "title_canon_sha256": "08b2728b730800032e565626e788792a1a935a277940a080935fef97e7c7fd40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01928",
    "kind": "arxiv",
    "version": 2
  }
}