Pith Number

pith:KQ7JPFEP

pith:2019:KQ7JPFEP7JZCFFCXO3ZCQLURYP

not attested not anchored not stored refs pending

The Lie algebra associated with the lower central series of a right-angled Coxeter group

Yakov Veryovkin

arxiv:1901.06929 v1 · 2019-01-21 · math.GR · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQ7JPFEP7JZCFFCXO3ZCQLURYP}

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	2026-05-17T23:55:48.662461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

543e97948ffa7222945776f2282e91c3c362a6deaec960828defa3c578958c9c

Aliases

arxiv: 1901.06929 · arxiv_version: 1901.06929v1 · doi: 10.48550/arxiv.1901.06929 · pith_short_12: KQ7JPFEP7JZC · pith_short_16: KQ7JPFEP7JZCFFCX · pith_short_8: KQ7JPFEP

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/KQ7JPFEP7JZCFFCXO3ZCQLURYP \
  | 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: 543e97948ffa7222945776f2282e91c3c362a6deaec960828defa3c578958c9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce2aa2933d6df25790f03e7e5de3739652dd5939d153025bcc09ae5edf53d4f0",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-01-21T13:35:45Z",
    "title_canon_sha256": "81f31b73238fcff937fc62b8449debc956b4ce2e7322ea16dc3e9d305c108338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06929",
    "kind": "arxiv",
    "version": 1
  }
}