Pith Number

pith:OM5KHR6A

pith:2014:OM5KHR6AO5Z2DHY4WY3OFXZYTG

not attested not anchored not stored refs pending

Extremely amenable groups via continuous logic

Julien Melleray, Todor Tsankov

arxiv:1404.4590 v1 · 2014-04-17 · 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{OM5KHR6AO5Z2DHY4WY3OFXZYTG}

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.

Cited by

1 paper in Pith

Topological groups with tractable minimal dynamics

Receipt and verification

First computed	2026-05-18T02:54:03.910546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

733aa3c7c07773a19f1cb636e2df389991340d6ed631ce151beb9a4b68ae02ba

Aliases

arxiv: 1404.4590 · arxiv_version: 1404.4590v1 · doi: 10.48550/arxiv.1404.4590 · pith_short_12: OM5KHR6AO5Z2 · pith_short_16: OM5KHR6AO5Z2DHY4 · pith_short_8: OM5KHR6A

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/OM5KHR6AO5Z2DHY4WY3OFXZYTG \
  | 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: 733aa3c7c07773a19f1cb636e2df389991340d6ed631ce151beb9a4b68ae02ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbe75c9223cf9dff377ede05f1c56961d5c4335f7246d2b6a2e367f1965b591d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-04-17T17:40:53Z",
    "title_canon_sha256": "8d9f09785fa30e26216a91cfb08eed33daa2bda706a9cd9e8d50271dc1cbf48b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4590",
    "kind": "arxiv",
    "version": 1
  }
}