Pith Number

pith:DOTYJVX6

pith:2018:DOTYJVX6DIF7NICKY3SVDBGV3O

not attested not anchored not stored refs pending

Higher extensions in exact Mal'tsev categories: distributivity of congruences and the $3^n$-Lemma

Cyrille Sandry Simeu, Tim Van der Linden

arxiv:1807.03164 v1 · 2018-07-09 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOTYJVX6DIF7NICKY3SVDBGV3O}

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	2026-05-18T00:11:12.530612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba784d6fe1a0bf6a04ac6e55184d5dbb819c12bacd969a1a0f81c81541aa47f

Aliases

arxiv: 1807.03164 · arxiv_version: 1807.03164v1 · doi: 10.48550/arxiv.1807.03164 · pith_short_12: DOTYJVX6DIF7 · pith_short_16: DOTYJVX6DIF7NICK · pith_short_8: DOTYJVX6

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/DOTYJVX6DIF7NICKY3SVDBGV3O \
  | 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: 1ba784d6fe1a0bf6a04ac6e55184d5dbb819c12bacd969a1a0f81c81541aa47f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e23b98f12e33291fd9dcfc599ef1f2b9b1cbb42d8dd61ad3371a4858cb566b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-07-09T13:58:21Z",
    "title_canon_sha256": "9248f875c4330295a506676caed3488bcd2f5f6ac423e5f88b0f6cc451da7600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03164",
    "kind": "arxiv",
    "version": 1
  }
}