Pith Number

pith:C6WZK3UX

pith:2016:C6WZK3UXZK27CIEP2FM4SOKOL6

not attested not anchored not stored refs pending

Cohomology in singular blocks for a quantum group at a root of unity

Hankyung Ko

arxiv:1605.04556 v3 · 2016-05-15 · math.RT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6WZK3UXZK27CIEP2FM4SOKOL6}

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	2026-05-18T00:10:52.407248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17ad956e97cab5f1208fd159c9394e5fbaefe39d39f700728bbeb030a9a378ff

Aliases

arxiv: 1605.04556 · arxiv_version: 1605.04556v3 · doi: 10.48550/arxiv.1605.04556 · pith_short_12: C6WZK3UXZK27 · pith_short_16: C6WZK3UXZK27CIEP · pith_short_8: C6WZK3UX

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/C6WZK3UXZK27CIEP2FM4SOKOL6 \
  | 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: 17ad956e97cab5f1208fd159c9394e5fbaefe39d39f700728bbeb030a9a378ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79230628d420d9a6df0fabd3ed0e1737a74702b3948d99298d0060d7b528044a",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2016-05-15T14:31:08Z",
    "title_canon_sha256": "130a84b64e255ee81aa26aebfc360a2273b188781ff2cb02a120ad4cc5b34984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04556",
    "kind": "arxiv",
    "version": 3
  }
}