Pith Number

pith:YP7YGCI4

pith:2017:YP7YGCI4XH6IDCFUQGWJ4V2VWU

not attested not anchored not stored refs pending

A Mini-Course on Morava Stabilizer Groups and Their Cohomology

Hans-Werner Henn (IRMA)

arxiv:1702.05033 v1 · 2017-02-16 · 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{YP7YGCI4XH6IDCFUQGWJ4V2VWU}

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	2026-05-18T00:50:36.400425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ff83091cb9fc8188b481ac9e5755b508de30fbb7e17e4e9599f36bc6216de8

Aliases

arxiv: 1702.05033 · arxiv_version: 1702.05033v1 · doi: 10.48550/arxiv.1702.05033 · pith_short_12: YP7YGCI4XH6I · pith_short_16: YP7YGCI4XH6IDCFU · pith_short_8: YP7YGCI4

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/YP7YGCI4XH6IDCFUQGWJ4V2VWU \
  | 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: c3ff83091cb9fc8188b481ac9e5755b508de30fbb7e17e4e9599f36bc6216de8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "009385212db5a69008231054ea3b9315f2938f2766ce0406a3c8caa4f802b16c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-02-16T16:12:09Z",
    "title_canon_sha256": "a1161dc1541c5913c3c90ffa0be4a386801b648974ccdcc010ea8139278d4114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05033",
    "kind": "arxiv",
    "version": 1
  }
}