Pith Number

pith:IVVXW2JW

pith:2019:IVVXW2JWZ5JZVPYKW56733NK2O

not attested not anchored not stored refs pending

Closed subsets of compact-like topological spaces

Alex Ravsky, Serhii Bardyla

arxiv:1907.12129 v2 · 2019-07-28 · math.GN

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVVXW2JWZ5JZVPYKW56733NK2O}

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.

Cited by

1 paper in Pith

On the lattice of weak topologies on the bicyclic monoid with adjoined zero

Receipt and verification

First computed	2026-07-04T23:52:22.231965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

456b7b6936cf539abf0ab77dfdedaad3ba0f12e6d726c40f6ac9d5213cbeb8ea

Aliases

arxiv: 1907.12129 · arxiv_version: 1907.12129v2 · doi: 10.48550/arxiv.1907.12129 · pith_short_12: IVVXW2JWZ5JZ · pith_short_16: IVVXW2JWZ5JZVPYK · pith_short_8: IVVXW2JW

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/IVVXW2JWZ5JZVPYKW56733NK2O \
  | 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: 456b7b6936cf539abf0ab77dfdedaad3ba0f12e6d726c40f6ac9d5213cbeb8ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84fd34508febd27b7a0ad11416d026f71b66c9ef59fcb7b37c3374fd01e06bf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-07-28T19:23:12Z",
    "title_canon_sha256": "631a7d278316f41bb3fb134269fbb8392b6c4554702a9660d8df56422ab450ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.12129",
    "kind": "arxiv",
    "version": 2
  }
}