Pith Number

pith:DPYYYM2F

pith:2017:DPYYYM2FKZVFZTWQ7S3YJHOSFB

not attested not anchored not stored refs pending

Keisler's Order is Not Linear, Assuming a Supercompact

Douglas Ulrich

arxiv:1702.01237 v1 · 2017-02-04 · 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{DPYYYM2FKZVFZTWQ7S3YJHOSFB}

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	2026-05-18T00:51:24.056158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf18c3345566a5cced0fcb7849dd22844b1393723e034c2c8373d343afb6d60

Aliases

arxiv: 1702.01237 · arxiv_version: 1702.01237v1 · doi: 10.48550/arxiv.1702.01237 · pith_short_12: DPYYYM2FKZVF · pith_short_16: DPYYYM2FKZVFZTWQ · pith_short_8: DPYYYM2F

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/DPYYYM2FKZVFZTWQ7S3YJHOSFB \
  | 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: 1bf18c3345566a5cced0fcb7849dd22844b1393723e034c2c8373d343afb6d60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c980f5690dccd09c52b37928aea30b4be02cf7b96579b4301caffde6b7b42f9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-02-04T05:01:34Z",
    "title_canon_sha256": "e58be085e8ab3f5b036085a9031b8a60e02dae81acaa99111adc31a05e906501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01237",
    "kind": "arxiv",
    "version": 1
  }
}