Pith Number

pith:Q2DMF476

pith:2019:Q2DMF476COAUOF2VHUHP63VY77

not attested not anchored not stored refs pending

Co-uniform and hollow S-acts over monoids

Mohammad Roueentan, Roghaieh Khosravi

arxiv:1908.04559 v1 · 2019-08-13 · 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{Q2DMF476COAUOF2VHUHP63VY77}

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	2026-07-05T03:16:59.596256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8686c2f3fe13814717553d0eff6eb8fff08407828ddcdcebe8a330af4baf968b

Aliases

arxiv: 1908.04559 · arxiv_version: 1908.04559v1 · doi: 10.48550/arxiv.1908.04559 · pith_short_12: Q2DMF476COAU · pith_short_16: Q2DMF476COAUOF2V · pith_short_8: Q2DMF476

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/Q2DMF476COAUOF2VHUHP63VY77 \
  | 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: 8686c2f3fe13814717553d0eff6eb8fff08407828ddcdcebe8a330af4baf968b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "128aaaab578016a73b970877d4dd57ed8a96cf4547700065546a94d61a9195de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-08-13T09:29:16Z",
    "title_canon_sha256": "46aa3c9e91b3c5316690874010ad6a9a192c844984fbefafaf822fa7eafb3106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04559",
    "kind": "arxiv",
    "version": 1
  }
}