Pith Number

pith:J626IPNC

pith:2019:J626IPNCZUSXFH4ZGW4EGJYRC6

not attested not anchored not stored refs pending

The semigroup of star partial homeomorphisms of a finite deminsional Euclidean space

Kateryna Melnyk, Oleg Gutik

arxiv:1905.10736 v1 · 2019-05-26 · 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{J626IPNCZUSXFH4ZGW4EGJYRC6}

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	2026-05-17T23:45:05.402609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fb5e43da2cd25729f9935b843271117bc1140875dbddac5ccc3620f61de5a66

Aliases

arxiv: 1905.10736 · arxiv_version: 1905.10736v1 · doi: 10.48550/arxiv.1905.10736 · pith_short_12: J626IPNCZUSX · pith_short_16: J626IPNCZUSXFH4Z · pith_short_8: J626IPNC

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/J626IPNCZUSXFH4ZGW4EGJYRC6 \
  | 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: 4fb5e43da2cd25729f9935b843271117bc1140875dbddac5ccc3620f61de5a66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4fec6f1fcf40529209a76a4c3cc961da02bcafc0a0ea208e35780eef1092248",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-05-26T06:02:43Z",
    "title_canon_sha256": "76c4425c8ff3c2deb2467df909a46048e2e7036f8696380177b85c15054f51c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10736",
    "kind": "arxiv",
    "version": 1
  }
}