Pith Number

pith:IBD3ATSP

pith:2010:IBD3ATSPGWTRLMVR7UA46PZUYT

not attested not anchored not stored refs pending

On M-separability of countable spaces and function spaces

Du\v{s}an Repov\v{s}, Lyubomyr Zdomskyy

arxiv:1010.2474 v1 · 2010-10-12 · 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{IBD3ATSPGWTRLMVR7UA46PZUYT}

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	2026-05-18T04:39:27.917886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4047b04e4f35a715b2b1fd01cf3f34c4cd7ef21b78d7127730e91c781f1517da

Aliases

arxiv: 1010.2474 · arxiv_version: 1010.2474v1 · doi: 10.48550/arxiv.1010.2474 · pith_short_12: IBD3ATSPGWTR · pith_short_16: IBD3ATSPGWTRLMVR · pith_short_8: IBD3ATSP

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/IBD3ATSPGWTRLMVR7UA46PZUYT \
  | 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: 4047b04e4f35a715b2b1fd01cf3f34c4cd7ef21b78d7127730e91c781f1517da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3db3fea7a494d5cf573ead243cdb2d3605b1f877327893f68ac1f07989f2b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2010-10-12T19:02:49Z",
    "title_canon_sha256": "5934750219dc7e982636533c9830c8e3c2bb9b0a75590d0aab5c3e7de3d501d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2474",
    "kind": "arxiv",
    "version": 1
  }
}