Pith Number

pith:M7IAOIK6

pith:2012:M7IAOIK6GDLNJXTL3LT7QH7NRH

not attested not anchored not stored refs pending

On convergence and compactness of space homeomorphisms

Evgeny Sevost'yanov, Vladimir Ryazanov

arxiv:1207.1231 v5 · 2012-07-05 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7IAOIK6GDLNJXTL3LT7QH7NRH}

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	2026-05-18T03:48:26.712515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67d007215e30d6d4de6bdae7f81fed89cfe1339b6312b80dd3c514edfdd3b30d

Aliases

arxiv: 1207.1231 · arxiv_version: 1207.1231v5 · doi: 10.48550/arxiv.1207.1231 · pith_short_12: M7IAOIK6GDLN · pith_short_16: M7IAOIK6GDLNJXTL · pith_short_8: M7IAOIK6

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/M7IAOIK6GDLNJXTL3LT7QH7NRH \
  | 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: 67d007215e30d6d4de6bdae7f81fed89cfe1339b6312b80dd3c514edfdd3b30d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14767a2c597c16ff68b70333d6fdaf9c38dcdc18d79998e83c7067ef8eb7e524",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-07-05T11:53:13Z",
    "title_canon_sha256": "6963dc37fa74c240a7ac47acf2963066390eb877acb0581dcad4a5b16b0bb9e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1231",
    "kind": "arxiv",
    "version": 5
  }
}