Pith Number

pith:325KOCXH

pith:2010:325KOCXH6C3AAC2AOTXYPUAY4Z

not attested not anchored not stored refs pending

A remark on the homotopy equivalence of SU_n and SL_nC

Juan Souto

arxiv:1008.0816 v1 · 2010-08-04 · math.AT · math.GR · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{325KOCXH6C3AAC2AOTXYPUAY4Z}

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	2026-05-18T04:42:35.572979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

debaa70ae7f0b6000b4074ef87d018e65eb630bdf838cb706f89e26c76d9f1b8

Aliases

arxiv: 1008.0816 · arxiv_version: 1008.0816v1 · doi: 10.48550/arxiv.1008.0816 · pith_short_12: 325KOCXH6C3A · pith_short_16: 325KOCXH6C3AAC2A · pith_short_8: 325KOCXH

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/325KOCXH6C3AAC2AOTXYPUAY4Z \
  | 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: debaa70ae7f0b6000b4074ef87d018e65eb630bdf838cb706f89e26c76d9f1b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ed1c3eebbba0a942b574fa68524660349a176e2aa4df5767338da6d2d17e4da",
    "cross_cats_sorted": [
      "math.GR",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-08-04T16:40:36Z",
    "title_canon_sha256": "07e2dcff79b2088d4b087cb640fe20c36968d6255345eabce4a3c29e4c8ec4c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0816",
    "kind": "arxiv",
    "version": 1
  }
}