Pith Number

pith:6FSV4VLZ

pith:2015:6FSV4VLZOYSD2PYHU4Y2SQUSIJ

not attested not anchored not stored refs pending

The Hurewicz dichotomy for generalized Baire spaces

Luca Motto Ros, Philipp Luecke, Philipp Schlicht

arxiv:1506.03364 v2 · 2015-06-10 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FSV4VLZOYSD2PYHU4Y2SQUSIJ}

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	2026-05-18T00:58:04.456234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1655e557976243d3f07a731a94292427141f15012350e8c03157a9ba4cd5f9d

Aliases

arxiv: 1506.03364 · arxiv_version: 1506.03364v2 · doi: 10.48550/arxiv.1506.03364 · pith_short_12: 6FSV4VLZOYSD · pith_short_16: 6FSV4VLZOYSD2PYH · pith_short_8: 6FSV4VLZ

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/6FSV4VLZOYSD2PYHU4Y2SQUSIJ \
  | 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: f1655e557976243d3f07a731a94292427141f15012350e8c03157a9ba4cd5f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc00f2d48f48e8ed92fb1fb7d346851634c34680a843622592eacf4b6237e4c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-06-10T15:35:10Z",
    "title_canon_sha256": "c0e84844ed961f71318553ab8960d251144f8403b6e3ab2139b698ec87831094"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03364",
    "kind": "arxiv",
    "version": 2
  }
}