Pith Number

pith:DBQ6TTFL

pith:2015:DBQ6TTFLMR6MGYAKOB2NPMHYSD

not attested not anchored not stored refs pending

On cuts in ultraproducts of linear orders I

Mohammad Golshani, Saharon Shelah

arxiv:1510.06278 v3 · 2015-10-21 · 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{DBQ6TTFLMR6MGYAKOB2NPMHYSD}

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	2026-05-18T01:04:29.979231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1861e9ccab647cc3600a7074d7b0f890d6c8307142f92aea25c72e7cef7d9a11

Aliases

arxiv: 1510.06278 · arxiv_version: 1510.06278v3 · doi: 10.48550/arxiv.1510.06278 · pith_short_12: DBQ6TTFLMR6M · pith_short_16: DBQ6TTFLMR6MGYAK · pith_short_8: DBQ6TTFL

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/DBQ6TTFLMR6MGYAKOB2NPMHYSD \
  | 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: 1861e9ccab647cc3600a7074d7b0f890d6c8307142f92aea25c72e7cef7d9a11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c1034a44aa35f6bfa7be7f59cc05b78e4646479e7162b472638fed81af3bc1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-10-21T14:38:26Z",
    "title_canon_sha256": "c8f4561a063195d8900a15b1f833a5825926a6c796576037716d29164405b1cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06278",
    "kind": "arxiv",
    "version": 3
  }
}