Pith Number

pith:V6GQHU2D

pith:2018:V6GQHU2DU3PFE6G4BTDCRMIVIL

not attested not anchored not stored refs pending

Uniqueness questions for C*-norms on group rings

David Kyed, Vadim Alekseev

arxiv:1806.10983 v2 · 2018-06-28 · math.OA · 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{V6GQHU2DU3PFE6G4BTDCRMIVIL}

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	2026-05-17T23:49:03.782359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8d03d343a6de5278dc0cc628b11542f96409f955dd9ea9a4bd6fda4cd3bd3c

Aliases

arxiv: 1806.10983 · arxiv_version: 1806.10983v2 · doi: 10.48550/arxiv.1806.10983 · pith_short_12: V6GQHU2DU3PF · pith_short_16: V6GQHU2DU3PFE6G4 · pith_short_8: V6GQHU2D

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/V6GQHU2DU3PFE6G4BTDCRMIVIL \
  | 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: af8d03d343a6de5278dc0cc628b11542f96409f955dd9ea9a4bd6fda4cd3bd3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5bd3962f6438d4cc86992dfafb1f05228b619ff2330e18b71b76996834b8a3",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-06-28T14:07:56Z",
    "title_canon_sha256": "7ce1bbc27b2fd9127914ef8cd9eac0841bfc06a86d804a9e2fe34a498db4c3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10983",
    "kind": "arxiv",
    "version": 2
  }
}