Pith Number

pith:5BI3BH4H

pith:2011:5BI3BH4H2AZ4QEFDQS6STTWPS6

not attested not anchored not stored refs pending

The geometry of Hrushovski constructions, II. The strongly minimal case

David M. Evans, Marco S. Ferreira

arxiv:1103.3632 v1 · 2011-03-18 · 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{5BI3BH4H2AZ4QEFDQS6STTWPS6}

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	2026-05-18T04:26:32.258725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e851b09f87d033c810a384bd29cecf9787855a79ba633ecc980eda322a0d0a5e

Aliases

arxiv: 1103.3632 · arxiv_version: 1103.3632v1 · doi: 10.48550/arxiv.1103.3632 · pith_short_12: 5BI3BH4H2AZ4 · pith_short_16: 5BI3BH4H2AZ4QEFD · pith_short_8: 5BI3BH4H

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/5BI3BH4H2AZ4QEFDQS6STTWPS6 \
  | 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: e851b09f87d033c810a384bd29cecf9787855a79ba633ecc980eda322a0d0a5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56987ab53f63878aa3e371025f3bbded96764a941727731cb15d1027054b81ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-03-18T14:32:25Z",
    "title_canon_sha256": "21eee515fb51caa2e1eaf880645a14ca74546687bfb4600eb52b5a1f075371ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3632",
    "kind": "arxiv",
    "version": 1
  }
}