Pith Number

pith:IYUVR4GW

pith:2011:IYUVR4GWHEJIJ3RPFA6NJZ7ZH5

not attested not anchored not stored refs pending

A K-theoretic approach to the classification of symmetric spaces

Dennis Bohle, Wend Werner

arxiv:1109.4230 v1 · 2011-09-20 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYUVR4GWHEJIJ3RPFA6NJZ7ZH5}

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	2026-05-18T04:12:43.882038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

462958f0d6391284ee2f283cd4e7f93f7d4f805ad78fa22db22a1db5b226829e

Aliases

arxiv: 1109.4230 · arxiv_version: 1109.4230v1 · doi: 10.48550/arxiv.1109.4230 · pith_short_12: IYUVR4GWHEJI · pith_short_16: IYUVR4GWHEJIJ3RP · pith_short_8: IYUVR4GW

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/IYUVR4GWHEJIJ3RPFA6NJZ7ZH5 \
  | 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: 462958f0d6391284ee2f283cd4e7f93f7d4f805ad78fa22db22a1db5b226829e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14b787831d8bea2d0be5e0d79b5aa5c82e03ee61e2f2a65b6c1f8f8c528b7143",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-09-20T08:25:31Z",
    "title_canon_sha256": "1150d21473ce7490e742904e62dad8cdb7510b20b980912c03422c41681dfdae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4230",
    "kind": "arxiv",
    "version": 1
  }
}