pith. sign in
Pith Number

pith:JM5YR2HL

pith:2014:JM5YR2HLJUVY6GYLJV2SQ4D7DC
not attested not anchored not stored refs pending

When is a space Menger at infinity?

Angelo Bella, Leandro F. Aurichi

arxiv:1407.7495 v1 · 2014-07-28 · math.GN

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JM5YR2HLJUVY6GYLJV2SQ4D7DC}

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 2026-05-18T02:46:23.047006Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4b3b88e8eb4d2b8f1b0b4d7528707f18aae355e20ecc23558d5e8ba5e442db84

Aliases

arxiv: 1407.7495 · arxiv_version: 1407.7495v1 · doi: 10.48550/arxiv.1407.7495 · pith_short_12: JM5YR2HLJUVY · pith_short_16: JM5YR2HLJUVY6GYL · pith_short_8: JM5YR2HL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JM5YR2HLJUVY6GYLJV2SQ4D7DC \
  | 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: 4b3b88e8eb4d2b8f1b0b4d7528707f18aae355e20ecc23558d5e8ba5e442db84
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b4313cd8de19e6c21c9cfa885f5f14b278f21dce3816eef1d03db37260b2b80c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-07-28T18:41:57Z",
    "title_canon_sha256": "37035e50169be323dcdb92387d96a536492466b90ef30c8bac302412ad339c14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7495",
    "kind": "arxiv",
    "version": 1
  }
}