Pith Number

pith:ZTASF5TP

pith:2018:ZTASF5TPEBIQW34DI32WZOAGMY

not attested not anchored not stored refs pending

Keisler's Order and Full Boolean-Valued Models

Douglas Ulrich

arxiv:1810.05335 v1 · 2018-10-12 · 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{ZTASF5TPEBIQW34DI32WZOAGMY}

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	2026-05-18T00:03:30.929263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccc122f66f20510b6f8346f56cb806663cb3054978a3dcdbbf79bf08a849778f

Aliases

arxiv: 1810.05335 · arxiv_version: 1810.05335v1 · doi: 10.48550/arxiv.1810.05335 · pith_short_12: ZTASF5TPEBIQ · pith_short_16: ZTASF5TPEBIQW34D · pith_short_8: ZTASF5TP

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/ZTASF5TPEBIQW34DI32WZOAGMY \
  | 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: ccc122f66f20510b6f8346f56cb806663cb3054978a3dcdbbf79bf08a849778f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbf468a25ec47728a6b392b569b3221329c433d6e9d99d5bb87a22bf3292dc59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-10-12T03:11:18Z",
    "title_canon_sha256": "9d025cb33d30bb0f3508532adbd2bc4c53e21dffcb176c5c40a6ed4bd139b9cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05335",
    "kind": "arxiv",
    "version": 1
  }
}