Pith Number

pith:3MZRSORF

pith:2015:3MZRSORFNNFESUDJI6S7O53HSQ

not attested not anchored not stored refs pending

On F-inverse covers of finite-above inverse monoids

M\'aria B. Szendrei, N\'ora Szak\'acs

arxiv:1511.09378 v2 · 2015-11-30 · 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{3MZRSORFNNFESUDJI6S7O53HSQ}

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	2026-05-18T00:05:34.818167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db33193a256b4a49506947a5f77767943520f4e427582bd1e1d490807c1a61dd

Aliases

arxiv: 1511.09378 · arxiv_version: 1511.09378v2 · doi: 10.48550/arxiv.1511.09378 · pith_short_12: 3MZRSORFNNFE · pith_short_16: 3MZRSORFNNFESUDJ · pith_short_8: 3MZRSORF

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/3MZRSORFNNFESUDJI6S7O53HSQ \
  | 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: db33193a256b4a49506947a5f77767943520f4e427582bd1e1d490807c1a61dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8c7fc5041dd5e3abf4b983bfb881ad8cdf1ffd3ab7a1bca40a496d349110abd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-11-30T16:36:13Z",
    "title_canon_sha256": "2fe5d704a1a2eed61dc0b2836f27611ab4da2f08529d36df9c762acc2fa8cac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09378",
    "kind": "arxiv",
    "version": 2
  }
}