Pith Number

pith:ZH2WNHUV

pith:2011:ZH2WNHUVAMGOWVXZVAKRWL3IW4

not attested not anchored not stored refs pending

Cohomology of Coxeter arrangements and Solomon's descent algebra

Gerhard Roehrle, Goetz Pfeiffer, J. Matthew Douglass

arxiv:1101.2075 v6 · 2011-01-11 · math.RT · math.CO · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZH2WNHUVAMGOWVXZVAKRWL3IW4}

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	2026-05-18T03:31:33.015376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9f5669e95030ceb56f9a8151b2f68b7206c5c7f93ef60b89cc5eb3967de2f9a

Aliases

arxiv: 1101.2075 · arxiv_version: 1101.2075v6 · doi: 10.48550/arxiv.1101.2075 · pith_short_12: ZH2WNHUVAMGO · pith_short_16: ZH2WNHUVAMGOWVXZ · pith_short_8: ZH2WNHUV

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/ZH2WNHUVAMGOWVXZVAKRWL3IW4 \
  | 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: c9f5669e95030ceb56f9a8151b2f68b7206c5c7f93ef60b89cc5eb3967de2f9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30f554cb6fa62d275d8323d439be270f7a77f5a2756a35718c3c7c092475eba2",
    "cross_cats_sorted": [
      "math.CO",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2011-01-11T09:28:06Z",
    "title_canon_sha256": "a4691c927e67c7d0e3574cc99f56d12cb019c1711eb6e0bd991197031c441dd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2075",
    "kind": "arxiv",
    "version": 6
  }
}