pith. sign in
Pith Number

pith:47XZRQ4K

pith:2017:47XZRQ4KYEWMFOGOND3GJ2PHDM
not attested not anchored not stored refs pending

Connected and/or topological group pd-examples

Istvan Juh\'asz, Jan van Mill, Lajos Soukup, Zolt\'an Szentmikl\'ossy

arxiv:1705.02622 v1 · 2017-05-07 · math.GN

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{47XZRQ4KYEWMFOGOND3GJ2PHDM}

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 2026-05-18T00:44:56.038876Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e7ef98c38ac12cc2b8ce68f664e9e71b2b26b0b4421cbc38b56209f94def1fe4

Aliases

arxiv: 1705.02622 · arxiv_version: 1705.02622v1 · doi: 10.48550/arxiv.1705.02622 · pith_short_12: 47XZRQ4KYEWM · pith_short_16: 47XZRQ4KYEWMFOGO · pith_short_8: 47XZRQ4K
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/47XZRQ4KYEWMFOGOND3GJ2PHDM \
  | 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: e7ef98c38ac12cc2b8ce68f664e9e71b2b26b0b4421cbc38b56209f94def1fe4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "730c7ed0e0882fdb21baac060c830bf12b03a591610458cebf76aebcb4f611a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-05-07T13:35:23Z",
    "title_canon_sha256": "f192011fa570c4934fd7a072be0a533088187015bf45c849393342d41454c01e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02622",
    "kind": "arxiv",
    "version": 1
  }
}