Pith Number

pith:AHDDEAMH

pith:2018:AHDDEAMHAZZPO6YJBBOGM2NGUH

not attested not anchored not stored refs pending

Extension of fragmented Baire-one functions on Lindel\"{o}f spaces

Olena Karlova, Volodymyr Mykhaylyuk

arxiv:1809.09339 v1 · 2018-09-25 · 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{AHDDEAMHAZZPO6YJBBOGM2NGUH}

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	2026-05-18T00:04:53.656648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01c63201870672f77b09085c6669a6a1cdedfb8c89bc908f0074ab6ee301c01d

Aliases

arxiv: 1809.09339 · arxiv_version: 1809.09339v1 · doi: 10.48550/arxiv.1809.09339 · pith_short_12: AHDDEAMHAZZP · pith_short_16: AHDDEAMHAZZPO6YJ · pith_short_8: AHDDEAMH

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/AHDDEAMHAZZPO6YJBBOGM2NGUH \
  | 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: 01c63201870672f77b09085c6669a6a1cdedfb8c89bc908f0074ab6ee301c01d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e65278faafb1c3a2315d2a76e05dd3dc621dcc40926d2114dee5ab164575c77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-09-25T06:43:18Z",
    "title_canon_sha256": "bd9d765f4c4158cf043199e3513a7c4e99fee58ae7c76edf35f8a14f08714e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09339",
    "kind": "arxiv",
    "version": 1
  }
}