Pith Number

pith:YBFTVUNV

pith:2017:YBFTVUNVDZHO37ZJN7KHYDKGIR

not attested not anchored not stored refs pending

The tree property at all regular even cardinals

Mohammad Golshani

arxiv:1704.04575 v2 · 2017-04-15 · 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{YBFTVUNVDZHO37ZJN7KHYDKGIR}

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	2026-05-18T00:15:37.744737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c04b3ad1b51e4eedff296fd47c0d4644521a957564aef1256d6c33fddbf53ab1

Aliases

arxiv: 1704.04575 · arxiv_version: 1704.04575v2 · doi: 10.48550/arxiv.1704.04575 · pith_short_12: YBFTVUNVDZHO · pith_short_16: YBFTVUNVDZHO37ZJ · pith_short_8: YBFTVUNV

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/YBFTVUNVDZHO37ZJN7KHYDKGIR \
  | 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: c04b3ad1b51e4eedff296fd47c0d4644521a957564aef1256d6c33fddbf53ab1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e5d849ea4338ad5cfef466f7de413aeddff46cb4c675d8c014e6ee36d840857",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-04-15T03:48:38Z",
    "title_canon_sha256": "b3721edc603005d4bb386d5d279d41f0aa37c6c82d143e067dd8399219d5cd07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04575",
    "kind": "arxiv",
    "version": 2
  }
}