Pith Number

pith:ACNYZ2JQ

pith:2019:ACNYZ2JQSXVXQKRK7YL2CJJ6FU

not attested not anchored not stored refs pending

On the implication $T_{0} \Rightarrow T_{3 \frac{1}{2}}$ for some topological protomodular algebras

Dali Zangurashvili

arxiv:1905.07600 v1 · 2019-05-18 · math.CT · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ACNYZ2JQSXVXQKRK7YL2CJJ6FU}

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	2026-05-17T23:45:49.145329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

009b8ce93095eb782a2afe17a1253e2d3d0cc012e172a87d0c7b690c49960f0b

Aliases

arxiv: 1905.07600 · arxiv_version: 1905.07600v1 · doi: 10.48550/arxiv.1905.07600 · pith_short_12: ACNYZ2JQSXVX · pith_short_16: ACNYZ2JQSXVXQKRK · pith_short_8: ACNYZ2JQ

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/ACNYZ2JQSXVXQKRK7YL2CJJ6FU \
  | 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: 009b8ce93095eb782a2afe17a1253e2d3d0cc012e172a87d0c7b690c49960f0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51f17b4cf12e9e0494b93ab9d559d0ca390b44bfd78d96e499361c2819b8063f",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2019-05-18T14:51:23Z",
    "title_canon_sha256": "fcf216ecdf47786b137aced0d8711850d750b3ee07d08a76705347da0575573a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07600",
    "kind": "arxiv",
    "version": 1
  }
}