Pith Number

pith:7YK6KBT6

pith:2018:7YK6KBT67O2EHUP6VGBFUEWAGA

not attested not anchored not stored refs pending

The open dihypergraph dichotomy and the second level of the Borel hierarchy

Benjamin D. Miller, D\'aniel T. Soukup, Rapha\"el Carroy

arxiv:1803.03205 v1 · 2018-03-08 · math.LO · math.CO

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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	2026-05-18T00:21:44.152152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe15e5067efbb443d1fea9825a12c030151922233495eccd3cc2bd6bd35512eb

Aliases

arxiv: 1803.03205 · arxiv_version: 1803.03205v1 · doi: 10.48550/arxiv.1803.03205

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/7YK6KBT67O2EHUP6VGBFUEWAGA \
  | 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: fe15e5067efbb443d1fea9825a12c030151922233495eccd3cc2bd6bd35512eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8120c43e55d742f1dec601512b2c3f1b3a81fc7a7f739b683d1e8d45399bd455",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-03-08T17:10:53Z",
    "title_canon_sha256": "8778fde5126e35b476d6ba3235b882bcd1d6f38357652fd8c8ed495a2fa18cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03205",
    "kind": "arxiv",
    "version": 1
  }
}