Pith Number

pith:NUAGZOOY

pith:2014:NUAGZOOYNJQ3XFMSMRREIVBGZG

not attested not anchored not stored refs pending

On regular CAT(0) cube complexes

Nir Lazarovich

arxiv:1411.0178 v1 · 2014-11-01 · 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{NUAGZOOYNJQ3XFMSMRREIVBGZG}

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	2026-05-18T02:38:52.358531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d006cb9d86a61bb95926462445426c9897f9969f36868adc38e3e81884ebb59

Aliases

arxiv: 1411.0178 · arxiv_version: 1411.0178v1 · doi: 10.48550/arxiv.1411.0178 · pith_short_12: NUAGZOOYNJQ3 · pith_short_16: NUAGZOOYNJQ3XFMS · pith_short_8: NUAGZOOY

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/NUAGZOOYNJQ3XFMSMRREIVBGZG \
  | 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: 6d006cb9d86a61bb95926462445426c9897f9969f36868adc38e3e81884ebb59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c63e4c16124598a91f59a1b522889cddd13f909e2a930dca32788fa1c70448",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-11-01T22:44:49Z",
    "title_canon_sha256": "62aee3313e96fdb4c503a1344a8b413e33a684317f213b4537a29741135215ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0178",
    "kind": "arxiv",
    "version": 1
  }
}