Pith Number

pith:VILKMXV2

pith:2018:VILKMXV26HDCP3HIY6UIVACUDB

not attested not anchored not stored refs pending

Noncommutative Noether's Problem vs Classical Noether's Problem

Jo\~ao Schwarz, Vyacheslav Futorny

arxiv:1805.01809 v4 · 2018-05-04 · 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{VILKMXV26HDCP3HIY6UIVACUDB}

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	2026-05-17T23:59:38.973074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa16a65ebaf1c627ece8c7a88a80541866a248a8c7a97efc65e50809f8e9cc4b

Aliases

arxiv: 1805.01809 · arxiv_version: 1805.01809v4 · doi: 10.48550/arxiv.1805.01809 · pith_short_12: VILKMXV26HDC · pith_short_16: VILKMXV26HDCP3HI · pith_short_8: VILKMXV2

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/VILKMXV26HDCP3HIY6UIVACUDB \
  | 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: aa16a65ebaf1c627ece8c7a88a80541866a248a8c7a97efc65e50809f8e9cc4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9538884135677aabfcde31822f92e8cf5c9eb831163fe98df18d4afd2e33ac6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-05-04T14:50:17Z",
    "title_canon_sha256": "ec207c3954b138e59e683d61580a5744377c79ab56a4a2a9a56c1e735d7c138a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01809",
    "kind": "arxiv",
    "version": 4
  }
}