Pith Number

pith:4MVWZ225

pith:2020:4MVWZ225QHH5RFYDAO3R2RY7JJ

not attested not anchored not stored refs pending

On the uncountability of $\mathbb{R}$

Dag Normann, Sam Sanders

arxiv:2007.07560 v6 · 2020-07-15 · 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{4MVWZ225QHH5RFYDAO3R2RY7JJ}

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.

Cited by

1 paper in Pith

Plato and the foundations of mathematics

Receipt and verification

First computed	2026-07-05T04:11:04.180788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e32b6ceb5d81cfd8970303b71d471f4a604cdca04cff0be436fe3f257aa76e9b

Aliases

arxiv: 2007.07560 · arxiv_version: 2007.07560v6 · doi: 10.48550/arxiv.2007.07560 · pith_short_12: 4MVWZ225QHH5 · pith_short_16: 4MVWZ225QHH5RFYD · pith_short_8: 4MVWZ225

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/4MVWZ225QHH5RFYDAO3R2RY7JJ \
  | 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: e32b6ceb5d81cfd8970303b71d471f4a604cdca04cff0be436fe3f257aa76e9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "906e630d57e1484367ef44f2a70aef0799d8754fb8629d2182fe868152c05890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2020-07-15T09:19:01Z",
    "title_canon_sha256": "ae9338bd57a0ecfd4d32116bf4d7a75755dd2bfb000732681b72b638e646ca54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.07560",
    "kind": "arxiv",
    "version": 6
  }
}