Pith Number

pith:ECBR4PTA

pith:2026:ECBR4PTAY3VW5QGRRN2UA2MBMP

not attested not anchored not stored refs pending

On the equivariant $KU_G$ local sphere for finite abelian groups

Yingxin Li

arxiv:2605.30285 v1 · 2026-05-28 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECBR4PTAY3VW5QGRRN2UA2MBMP}

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	2026-05-29T02:06:15.248744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20831e3e60c6eb6ec0d18b7540698163c0a6ec3ba8bf150054db8ce4d4b0e324

Aliases

arxiv: 2605.30285 · arxiv_version: 2605.30285v1 · doi: 10.48550/arxiv.2605.30285 · pith_short_12: ECBR4PTAY3VW · pith_short_16: ECBR4PTAY3VW5QGR · pith_short_8: ECBR4PTA

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/ECBR4PTAY3VW5QGRRN2UA2MBMP \
  | 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: 20831e3e60c6eb6ec0d18b7540698163c0a6ec3ba8bf150054db8ce4d4b0e324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77e4cd617da458351bb2535d77750abd2a99f9931e2338eb320183fd00ce5a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2026-05-28T17:38:49Z",
    "title_canon_sha256": "34e018da82f08c1d46b110284234dcc1f8beffba6ecbaacd9bb4630938947382"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30285",
    "kind": "arxiv",
    "version": 1
  }
}