Pith Number

pith:MQ7OGTJT

pith:2015:MQ7OGTJT7XTTQKMIJ2Z6Z5EBSP

not attested not anchored not stored refs pending

Locally compact groups which are separably categorical structures

Aleksander Ivanov

arxiv:1506.00905 v2 · 2015-06-02 · math.LO · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQ7OGTJT7XTTQKMIJ2Z6Z5EBSP}

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	2026-05-18T00:52:04.300130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

643ee34d33fde73829884eb3ecf48193f25fd57a5a0878a356c27d5dd66b3f4f

Aliases

arxiv: 1506.00905 · arxiv_version: 1506.00905v2 · doi: 10.48550/arxiv.1506.00905 · pith_short_12: MQ7OGTJT7XTT · pith_short_16: MQ7OGTJT7XTTQKMI · pith_short_8: MQ7OGTJT

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/MQ7OGTJT7XTTQKMIJ2Z6Z5EBSP \
  | 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: 643ee34d33fde73829884eb3ecf48193f25fd57a5a0878a356c27d5dd66b3f4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fba4ee4f580c331e199eb616fc0f0c37e7d078bb8ed02ebdf4c16798b269cde",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-06-02T14:42:40Z",
    "title_canon_sha256": "f86436fabba72d7abc8521fbc8125e840f6983416c7bbcea791c792c65a1cfaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00905",
    "kind": "arxiv",
    "version": 2
  }
}