Pith Number

pith:KWCSRJ3B

pith:2019:KWCSRJ3BQE2W53VRD5VWIAQYWU

not attested not anchored not stored refs pending

A generalization of a Baire theorem concerning barely continuous functions

Olena Karlova

arxiv:1901.06819 v1 · 2019-01-21 · 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{KWCSRJ3BQE2W53VRD5VWIAQYWU}

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	2026-05-17T23:55:49.062330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

558528a76181356eeeb11f6b640218b51190b91aa7236d34baaef610d33a973d

Aliases

arxiv: 1901.06819 · arxiv_version: 1901.06819v1 · doi: 10.48550/arxiv.1901.06819 · pith_short_12: KWCSRJ3BQE2W · pith_short_16: KWCSRJ3BQE2W53VR · pith_short_8: KWCSRJ3B

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/KWCSRJ3BQE2W53VRD5VWIAQYWU \
  | 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: 558528a76181356eeeb11f6b640218b51190b91aa7236d34baaef610d33a973d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f9b51e0d18d8c17cdbcb3c31f2eca8e9a6a621fe89e0f9467d87d00c4228e5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-01-21T08:12:49Z",
    "title_canon_sha256": "fb5b9921677eecf6cfb6a54ba17b76072c2b61fbacd4d14a4a8268cff10f335e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06819",
    "kind": "arxiv",
    "version": 1
  }
}