Pith Number

pith:MIUO5MY6

pith:2018:MIUO5MY6DB5LPTPHZZFOKFU25X

not attested not anchored not stored refs pending

On the Invariants of the Cohomology of Complements of Coxeter Arrangements

Gerhard Roehrle, Goetz Pfeiffer, J. Matthew Douglass

arxiv:1810.02563 v2 · 2018-10-05 · 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{MIUO5MY6DB5LPTPHZZFOKFU25X}

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	2026-05-17T23:46:29.856399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6228eeb31e187ab7cde7ce4ae5169aedcbdf5548661afd9e277cb750bd822ed2

Aliases

arxiv: 1810.02563 · arxiv_version: 1810.02563v2 · doi: 10.48550/arxiv.1810.02563 · pith_short_12: MIUO5MY6DB5L · pith_short_16: MIUO5MY6DB5LPTPH · pith_short_8: MIUO5MY6

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/MIUO5MY6DB5LPTPHZZFOKFU25X \
  | 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: 6228eeb31e187ab7cde7ce4ae5169aedcbdf5548661afd9e277cb750bd822ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac8f2e88887005b2264fa5654db8628646c311c6898f326fb881d5c1cac830cf",
    "cross_cats_sorted": [
      "math.CO",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2018-10-05T08:10:44Z",
    "title_canon_sha256": "8d40af31666bdc8e12ec05c8e461affdae688d799b3505033cda3c5a8dfbe232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02563",
    "kind": "arxiv",
    "version": 2
  }
}