Pith Number

pith:Q3GRSMOH

pith:2017:Q3GRSMOHZ7K5V5MB4GCM25KQ3Z

not attested not anchored not stored refs pending

A computer algebra system for R: Macaulay2 and the m2r package

Christopher O'Neill, David Kahle, Jeff Sommars

arxiv:1706.07797 v1 · 2017-06-23 · stat.CO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3GRSMOHZ7K5V5MB4GCM25KQ3Z}

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	2026-05-18T00:41:47.485144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86cd1931c7cfd5daf581e184cd7550de6a1db195df641cb164c9eed4688f0b50

Aliases

arxiv: 1706.07797 · arxiv_version: 1706.07797v1 · doi: 10.48550/arxiv.1706.07797 · pith_short_12: Q3GRSMOHZ7K5 · pith_short_16: Q3GRSMOHZ7K5V5MB · pith_short_8: Q3GRSMOH

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/Q3GRSMOHZ7K5V5MB4GCM25KQ3Z \
  | 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: 86cd1931c7cfd5daf581e184cd7550de6a1db195df641cb164c9eed4688f0b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "753cdf3bf050e7fa47324fb1a6148883ff5e3c83db3c044142ac00c9fbd0a3ee",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2017-06-23T14:48:49Z",
    "title_canon_sha256": "75430e9c4cd300a412cc6461c535fa7d359e4a6dab65a2686f5aa742e5e3ea34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07797",
    "kind": "arxiv",
    "version": 1
  }
}