Pith Number

pith:YTMHOWLP

pith:2011:YTMHOWLPGTQKBCD34YW4PDW27B

not attested not anchored not stored refs pending

Cohomology for quantum groups via the geometry of the nullcone

Brian J. Parshall, Christopher P. Bendel, Cornelius Pillen, Daniel K. Nakano

arxiv:1102.3639 v1 · 2011-02-17 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTMHOWLPGTQKBCD34YW4PDW27B}

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	2026-05-18T04:28:28.710480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4d877596f34e0a0887be62dc78edaf843ed4fec83155c31718ec0f0c8b17fd5

Aliases

arxiv: 1102.3639 · arxiv_version: 1102.3639v1 · doi: 10.48550/arxiv.1102.3639 · pith_short_12: YTMHOWLPGTQK · pith_short_16: YTMHOWLPGTQKBCD3 · pith_short_8: YTMHOWLP

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/YTMHOWLPGTQKBCD34YW4PDW27B \
  | 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: c4d877596f34e0a0887be62dc78edaf843ed4fec83155c31718ec0f0c8b17fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8478d31acdca8f107cb9126959fc670b79ed55fcb83bd807b50c2dbda22777d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2011-02-17T17:16:46Z",
    "title_canon_sha256": "5da0063217afbd5b785c15f4246ebfe7f00a28038f8b0c610be0450c90f2d4c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3639",
    "kind": "arxiv",
    "version": 1
  }
}