Pith Number

pith:FR34M3IZ

pith:2026:FR34M3IZ5QGVZYHTY7ZB7E5AIG

not attested not anchored not stored refs pending

Infinite Loop Spaces and Group Actions on Strongly Self-Absorbing C*-Algebras

George Tridimas, Ulrich Pennig

arxiv:2607.20105 v1 · 2026-07-22 · math.AT · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FR34M3IZ5QGVZYHTY7ZB7E5AIG}

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	2026-07-23T01:25:01.617471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c77c66d19ec0d5ce0f3c7f21f93a041a09ddab95d833dd66d862a906ce037c6

Aliases

arxiv: 2607.20105 · arxiv_version: 2607.20105v1 · doi: 10.48550/arxiv.2607.20105 · pith_short_12: FR34M3IZ5QGV · pith_short_16: FR34M3IZ5QGVZYHT · pith_short_8: FR34M3IZ

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/FR34M3IZ5QGVZYHTY7ZB7E5AIG \
  | 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: 2c77c66d19ec0d5ce0f3c7f21f93a041a09ddab95d833dd66d862a906ce037c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87ca9005a11dbda40a8704b087d7aacb3176a4cf34f1ff2229240cf1d630a2be",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2026-07-22T13:02:19Z",
    "title_canon_sha256": "627ab163e6d0c1c8543e34f36c40f5f0ef9a4c03f38f6f3d687b581d443a38bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20105",
    "kind": "arxiv",
    "version": 1
  }
}