Pith Number

pith:7FCTV3DX

pith:2019:7FCTV3DX5OUKP25CZIZKNM6FHO

not attested not anchored not stored refs pending

Towers and gaps at uncountable cardinals

D\'aniel T. Soukup, Diana Carolina Montoya, Jonathan Schilhan, Vera Fischer

arxiv:1906.00843 v1 · 2019-06-03 · math.LO

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-17T23:44:23.731079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9453aec77eba8a7eba2ca32a6b3c53bb812a55dee4e45de0cfdc4849398b0e4

Aliases

arxiv: 1906.00843 · arxiv_version: 1906.00843v1 · doi: 10.48550/arxiv.1906.00843

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/7FCTV3DX5OUKP25CZIZKNM6FHO \
  | 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: f9453aec77eba8a7eba2ca32a6b3c53bb812a55dee4e45de0cfdc4849398b0e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5670469b075e764f0bbb8ecd0bd34976020c9edc090b1bc981c695249d3b94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-06-03T14:41:26Z",
    "title_canon_sha256": "d9da34c92905f5c2c6cc65a5557338140d521b5a9d21df823fca7b1fc4634b65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00843",
    "kind": "arxiv",
    "version": 1
  }
}