Pith Number

pith:IVIYSETU

pith:2017:IVIYSETU7BYOF7T4JIUYAZM5PM

not attested not anchored not stored refs pending

Conic intersections, Maximal Cohen-Macaulay modules and the Four Subspace problem

Vincent Gelinas

arxiv:1702.06608 v2 · 2017-02-21 · math.AC · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVIYSETU7BYOF7T4JIUYAZM5PM}

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	2026-05-18T00:48:59.289066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4551891274f870e2fe7c4a2980659d7b1fcd55351d460ae02fb3a0565246ca4d

Aliases

arxiv: 1702.06608 · arxiv_version: 1702.06608v2 · doi: 10.48550/arxiv.1702.06608 · pith_short_12: IVIYSETU7BYO · pith_short_16: IVIYSETU7BYOF7T4 · pith_short_8: IVIYSETU

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/IVIYSETU7BYOF7T4JIUYAZM5PM \
  | 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: 4551891274f870e2fe7c4a2980659d7b1fcd55351d460ae02fb3a0565246ca4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd7ef631d443b6ed59e2b824f8d4839798ea22aaa0722e7edb7995f2814f3134",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-02-21T22:14:01Z",
    "title_canon_sha256": "f68d8eed6b8fd4f10ed5f7aa705cf47a3eeaa5d1ac5a1fc5be46b3cf3ccff789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06608",
    "kind": "arxiv",
    "version": 2
  }
}