Pith Number

pith:V2DRV3CD

pith:2026:V2DRV3CD7ZEJPGTZPF6RDJCPF5

not attested not anchored not stored refs pending

On the traces of the product of 2 linear similarity classes

Klaus Nielsen

arxiv:2605.20792 v1 · 2026-05-20 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2DRV3CD7ZEJPGTZPF6RDJCPF5}

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	2026-05-21T01:04:54.616337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae871aec43fe48979a79797d11a44f2f498c379c8f7c22f40050ecdff1b5fdd2

Aliases

arxiv: 2605.20792 · arxiv_version: 2605.20792v1 · doi: 10.48550/arxiv.2605.20792 · pith_short_12: V2DRV3CD7ZEJ · pith_short_16: V2DRV3CD7ZEJPGTZ · pith_short_8: V2DRV3CD

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/V2DRV3CD7ZEJPGTZPF6RDJCPF5 \
  | 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: ae871aec43fe48979a79797d11a44f2f498c379c8f7c22f40050ecdff1b5fdd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2ec2af4d8df07c1131711433832ce434740330d852e88b0744cff8ac4558037",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2026-05-20T06:38:31Z",
    "title_canon_sha256": "f9b65e7bb49c60040269e91459393e974695894202e3b962978e56533b547eb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20792",
    "kind": "arxiv",
    "version": 1
  }
}