Pith Number

pith:ND5P6PRO

pith:2014:ND5P6PROB3ONR6Z3TTMGMAKNCG

not attested not anchored not stored refs pending

Cohomology of classifying spaces of loop groups and finite Chevalley groups associated with spin groups

Masaki Kameko

arxiv:1402.4594 v1 · 2014-02-19 · 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{ND5P6PROB3ONR6Z3TTMGMAKNCG}

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	2026-05-18T00:36:10.304950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68faff3e2e0edcd8fb3b9cd866014d118af33cfb85beabb20123d2643e9cf7a0

Aliases

arxiv: 1402.4594 · arxiv_version: 1402.4594v1 · doi: 10.48550/arxiv.1402.4594 · pith_short_12: ND5P6PROB3ON · pith_short_16: ND5P6PROB3ONR6Z3 · pith_short_8: ND5P6PRO

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/ND5P6PROB3ONR6Z3TTMGMAKNCG \
  | 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: 68faff3e2e0edcd8fb3b9cd866014d118af33cfb85beabb20123d2643e9cf7a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c46dd5521355f283298deda5bd14f22eb0652aa84aeeee2cc1a76000b87a672",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-02-19T09:04:53Z",
    "title_canon_sha256": "6bb55a34034b7c22ed846bdf66991c82d5efda73cd21eed50d564d4faa42895d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4594",
    "kind": "arxiv",
    "version": 1
  }
}