Pith Number

pith:XX3AATSO

pith:2017:XX3AATSOHUKEGT7GAOJWA67LMC

not attested not anchored not stored refs pending

Sandwich classification for $GL_n(R)$, $O_{2n}(R)$ and $U_{2n}(R,\Lambda)$ revisited

Raimund Preusser

arxiv:1705.02415 v1 · 2017-05-05 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XX3AATSOHUKEGT7GAOJWA67LMC}

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	2026-05-18T00:44:56.622732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf6004e4e3d14434fe60393607beb608e5fe3332785089a959f528ab5ec973d

Aliases

arxiv: 1705.02415 · arxiv_version: 1705.02415v1 · doi: 10.48550/arxiv.1705.02415 · pith_short_12: XX3AATSOHUKE · pith_short_16: XX3AATSOHUKEGT7G · pith_short_8: XX3AATSO

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/XX3AATSOHUKEGT7GAOJWA67LMC \
  | 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: bdf6004e4e3d14434fe60393607beb608e5fe3332785089a959f528ab5ec973d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7038c6562b5d4fcb0a8d50db9f5e359d98254f82d71369fdad758e0d5a9ef486",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2017-05-05T23:02:19Z",
    "title_canon_sha256": "a6e4c8707e25982dfe6fd932f3316b7ff6bb465393ecf6154e18f421704ebe05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02415",
    "kind": "arxiv",
    "version": 1
  }
}