Pith Number

pith:CPQYDPOB

pith:2019:CPQYDPOBH37OYUGF5X22OUKAOO

not attested not anchored not stored refs pending

New Method of Smooth Extension of Local Maps on Linear Topological Spaces. Applications and Examples

Genrich Belitskii, Victoria Rayskin

arxiv:1908.07713 v1 · 2019-08-21 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPQYDPOBH37OYUGF5X22OUKAOO}

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	2026-07-05T09:48:27.662663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e181bdc13efeec50c5edf5a7514073b72668c6f7d2ead67e641d0f3b67f602

Aliases

arxiv: 1908.07713 · arxiv_version: 1908.07713v1 · doi: 10.48550/arxiv.1908.07713 · pith_short_12: CPQYDPOBH37O · pith_short_16: CPQYDPOBH37OYUGF · pith_short_8: CPQYDPOB

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/CPQYDPOBH37OYUGF5X22OUKAOO \
  | 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: 13e181bdc13efeec50c5edf5a7514073b72668c6f7d2ead67e641d0f3b67f602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3076022d3153106d405a732b68bfa874f93e32ec1bc4181cee947cf62f78341b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-08-21T05:46:25Z",
    "title_canon_sha256": "38cc12d5ef367113633f36c8c38ca2834343bdda3c9f49adc0e78e37ea35a727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07713",
    "kind": "arxiv",
    "version": 1
  }
}