Pith Number

pith:Z5BET4GZ

pith:2017:Z5BET4GZUE5KOB4OTJIBQ3GQYN

not attested not anchored not stored refs pending

On positive local combinatorial dividing-lines in model theory

Cameron Donnay Hill, Vincent Guingona

arxiv:1702.06102 v1 · 2017-02-20 · 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{Z5BET4GZUE5KOB4OTJIBQ3GQYN}

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	2026-05-18T00:50:24.312130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf4249f0d9a13aa7078e9a50186cd0c35aa8a654993b71f03e145c497335abe4

Aliases

arxiv: 1702.06102 · arxiv_version: 1702.06102v1 · doi: 10.48550/arxiv.1702.06102 · pith_short_12: Z5BET4GZUE5K · pith_short_16: Z5BET4GZUE5KOB4O · pith_short_8: Z5BET4GZ

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/Z5BET4GZUE5KOB4OTJIBQ3GQYN \
  | 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: cf4249f0d9a13aa7078e9a50186cd0c35aa8a654993b71f03e145c497335abe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b918c8bcdf8d32182e4b7fe77ca26b8a35c78ebd0588b24db227e94925f7368e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-02-20T18:40:42Z",
    "title_canon_sha256": "b5cbb4b5d5e5aa2f22706a806e78ca848e994e8a512db093db125010889d97ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06102",
    "kind": "arxiv",
    "version": 1
  }
}