Pith Number

pith:ZTM56MDG

pith:2018:ZTM56MDGC72BSS75JX7MPLEDK3

not attested not anchored not stored refs pending

Rings of constants of linear derivations on Fermat rings

Ivan Shestakov, Marcelo Oliveira Veloso

arxiv:1802.10578 v1 · 2018-02-28 · 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{ZTM56MDGC72BSS75JX7MPLEDK3}

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	2026-05-18T00:22:16.737307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccd9df306617f4194bfd4dfec7ac8356ce6c0f181af76c1b4da8808a807e66b2

Aliases

arxiv: 1802.10578 · arxiv_version: 1802.10578v1 · doi: 10.48550/arxiv.1802.10578 · pith_short_12: ZTM56MDGC72B · pith_short_16: ZTM56MDGC72BSS75 · pith_short_8: ZTM56MDG

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/ZTM56MDGC72BSS75JX7MPLEDK3 \
  | 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: ccd9df306617f4194bfd4dfec7ac8356ce6c0f181af76c1b4da8808a807e66b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8d5e0831e235f12b0a44142105d3a499fbb42cb29baab8ed4e11444eeaaee5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-02-28T18:39:02Z",
    "title_canon_sha256": "3a8b11ba44784c44d158abbd50dc8df6c4b3a460d23b1c2aae6fdb6bee02695f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10578",
    "kind": "arxiv",
    "version": 1
  }
}