Pith Number

pith:BDMAYMK2

pith:2014:BDMAYMK2XV7XKBASHLIS7LB7CW

not attested not anchored not stored refs pending

Surfaces of minimal degree of tame representation type and mutations of Cohen-Macaulay modules

Daniele Faenzi, Francesco Malaspina

arxiv:1409.4892 v5 · 2014-09-17 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDMAYMK2XV7XKBASHLIS7LB7CW}

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	2026-05-18T00:42:39.930355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08d80c315abd7f7504123ad12fac3f158a1b6c30b64ecc87f48eab434242b3f2

Aliases

arxiv: 1409.4892 · arxiv_version: 1409.4892v5 · doi: 10.48550/arxiv.1409.4892 · pith_short_12: BDMAYMK2XV7X · pith_short_16: BDMAYMK2XV7XKBAS · pith_short_8: BDMAYMK2

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/BDMAYMK2XV7XKBASHLIS7LB7CW \
  | 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: 08d80c315abd7f7504123ad12fac3f158a1b6c30b64ecc87f48eab434242b3f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb2524eae1cad1a1c09928f58b7465197d4d0e00a418da50fb5804c42c27c771",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-17T07:53:02Z",
    "title_canon_sha256": "4fce3cdfd6b91e835f05d49d4d884c5dba445ce37752fe2ffefb2cadb3930e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4892",
    "kind": "arxiv",
    "version": 5
  }
}