Pith Number

pith:XSNMTGNS

pith:2015:XSNMTGNSVWBH4J7KXYQMRALTMB

not attested not anchored not stored refs pending

Noncommutative Noether's problem for complex reflection groups

Farkhod Eshmatov, Joao Fernando Schwarz, Sergiy Ovsienko, Vyacheslav Futorny

arxiv:1505.05626 v2 · 2015-05-21 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSNMTGNSVWBH4J7KXYQMRALTMB}

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	2026-05-18T00:55:58.551703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc9ac999b2ad827e27eabe20c88173604298d39abdde3976382106cca041a078

Aliases

arxiv: 1505.05626 · arxiv_version: 1505.05626v2 · doi: 10.48550/arxiv.1505.05626 · pith_short_12: XSNMTGNSVWBH · pith_short_16: XSNMTGNSVWBH4J7K · pith_short_8: XSNMTGNS

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/XSNMTGNSVWBH4J7KXYQMRALTMB \
  | 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: bc9ac999b2ad827e27eabe20c88173604298d39abdde3976382106cca041a078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cd49bef87be3e636bb11eafe660eb63749eb2711b783f51b2dc018a52ed5a83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-05-21T07:23:05Z",
    "title_canon_sha256": "234ccfcf9bc77b42c69c68580e97bcac71a4c332e2706eba589cbc3058b32cc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05626",
    "kind": "arxiv",
    "version": 2
  }
}