Pith Number

pith:EDTK6ESW

pith:2015:EDTK6ESW52K7OW6CCSM4AZJCIW

not attested not anchored not stored refs pending

A survey on tame abstract elementary classes

Sebastien Vasey, Will Boney

arxiv:1512.00060 v4 · 2015-11-30 · 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{EDTK6ESW52K7OW6CCSM4AZJCIW}

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	2026-05-18T00:31:59.151162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20e6af1256ee95f75bc21499c0652245a1e2e0ff54e41ca1d4334e1845cfc79d

Aliases

arxiv: 1512.00060 · arxiv_version: 1512.00060v4 · doi: 10.48550/arxiv.1512.00060 · pith_short_12: EDTK6ESW52K7 · pith_short_16: EDTK6ESW52K7OW6C · pith_short_8: EDTK6ESW

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/EDTK6ESW52K7OW6CCSM4AZJCIW \
  | 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: 20e6af1256ee95f75bc21499c0652245a1e2e0ff54e41ca1d4334e1845cfc79d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efdf3dcb192bbb27cb3e0f0d39ee91233e64a96ecf535c7fdf5e1845106dfd66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-11-30T21:51:50Z",
    "title_canon_sha256": "bc449a144127b6e8935cf9f7408e37f7387518ac3076639d4bb2285cededc394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00060",
    "kind": "arxiv",
    "version": 4
  }
}