Pith Number

pith:CY6FQPFS

pith:2017:CY6FQPFSW7QCPIL22QVFW5B5CT

not attested not anchored not stored refs pending

Inductive Freeness of Ziegler's Canonical Multiderivations for Reflection Arrangements

Gerhard Roehrle, Torsten Hoge

arxiv:1705.02767 v2 · 2017-05-08 · 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{CY6FQPFSW7QCPIL22QVFW5B5CT}

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	2026-05-18T00:10:47.779245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

163c583cb2b7e027a17ad42a5b743d14c94ce13f0144b5404aed1f048daa0c24

Aliases

arxiv: 1705.02767 · arxiv_version: 1705.02767v2 · doi: 10.48550/arxiv.1705.02767 · pith_short_12: CY6FQPFSW7QC · pith_short_16: CY6FQPFSW7QCPIL2 · pith_short_8: CY6FQPFS

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/CY6FQPFSW7QCPIL22QVFW5B5CT \
  | 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: 163c583cb2b7e027a17ad42a5b743d14c94ce13f0144b5404aed1f048daa0c24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baeed61726884f41bd22ba337ce9820660c2278b9e2c8109c35ce8fdd8704f1e",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-08T07:56:02Z",
    "title_canon_sha256": "bf38dcef4e8c5919c32f13c46c97cdae4fe5136969fda2d815165ea794ae2d5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02767",
    "kind": "arxiv",
    "version": 2
  }
}