Pith Number

pith:CNQYEXFA

pith:2017:CNQYEXFA5TYTOXBSUB5YXTYPO7

not attested not anchored not stored refs pending

Analytic sets of reals and the density function in the Cantor space

Alessandro Andretta, Riccardo Camerlo

arxiv:1705.02285 v2 · 2017-05-05 · 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{CNQYEXFA5TYTOXBSUB5YXTYPO7}

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	2026-05-18T00:18:31.856079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1361825ca0ecf1375c32a07b8bcf0f77d1a1edf65b9a815091bedd79648d358f

Aliases

arxiv: 1705.02285 · arxiv_version: 1705.02285v2 · doi: 10.48550/arxiv.1705.02285 · pith_short_12: CNQYEXFA5TYT · pith_short_16: CNQYEXFA5TYTOXBS · pith_short_8: CNQYEXFA

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/CNQYEXFA5TYTOXBSUB5YXTYPO7 \
  | 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: 1361825ca0ecf1375c32a07b8bcf0f77d1a1edf65b9a815091bedd79648d358f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5baff1c30754cc12ccb93ddf6eb8a1496287e83ff3cfe7a9afac8d4355b0b12b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-05-05T16:20:24Z",
    "title_canon_sha256": "27415e11aef2c80dbcbde2402dd32efef896ea3e67b0ac4c1b3d285a1a572249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02285",
    "kind": "arxiv",
    "version": 2
  }
}