Pith Number

pith:FRGB2ZKU

pith:2015:FRGB2ZKUSALF2Q2P6SCWD3CT73

not attested not anchored not stored refs pending

On Baire-one mappings with zero-dimensional domains

Olena Karlova

arxiv:1512.01937 v1 · 2015-12-07 · 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{FRGB2ZKUSALF2Q2P6SCWD3CT73}

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	2026-05-18T01:25:09.962873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c4c1d655490165d434ff48561ec53fee541241439113fafbd8261049051dbf8

Aliases

arxiv: 1512.01937 · arxiv_version: 1512.01937v1 · doi: 10.48550/arxiv.1512.01937 · pith_short_12: FRGB2ZKUSALF · pith_short_16: FRGB2ZKUSALF2Q2P · pith_short_8: FRGB2ZKU

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/FRGB2ZKUSALF2Q2P6SCWD3CT73 \
  | 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: 2c4c1d655490165d434ff48561ec53fee541241439113fafbd8261049051dbf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eb73b6272850866e106c8a568ed3922dc96e6eb6a02e2b0e3b936f239c7f90c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-12-07T07:52:11Z",
    "title_canon_sha256": "4ed0b501bd218ce733ee2ab596cbdd2bc7aabd3b6cb379e2bb60eebce736d025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01937",
    "kind": "arxiv",
    "version": 1
  }
}