pith. sign in
Pith Number

pith:REE2V3J6

pith:2019:REE2V3J6JG3FJKSYJ4PSE232YG
not attested not anchored not stored refs pending

Semigroups generated by partitions

O. Dovgoshey

arxiv:1901.06126 v1 · 2019-01-18 · math.GR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{REE2V3J6JG3FJKSYJ4PSE232YG}

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 2026-05-17T23:56:04.487985Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8909aaed3e49b654aa584f1f226b7ac1a0957e5355ae6cb55b1ab222796bfcbe

Aliases

arxiv: 1901.06126 · arxiv_version: 1901.06126v1 · doi: 10.48550/arxiv.1901.06126 · pith_short_12: REE2V3J6JG3F · pith_short_16: REE2V3J6JG3FJKSY · pith_short_8: REE2V3J6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/REE2V3J6JG3FJKSYJ4PSE232YG \
  | 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: 8909aaed3e49b654aa584f1f226b7ac1a0957e5355ae6cb55b1ab222796bfcbe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "406387507657df6033ef6d89f27eba4368b64aed6b3afb2e661c2771c06fa268",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-01-18T08:19:22Z",
    "title_canon_sha256": "4fb4bff5afc1c26420f08cc78aaa3b7e406c0d19b852a001ffecc8396ed057bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06126",
    "kind": "arxiv",
    "version": 1
  }
}