Pith Number

pith:DPMJVR6B

pith:2015:DPMJVR6BNBTC7A7AYJVJYBJ7Q7

not attested not anchored not stored refs pending

Density character of subgroups of topological groups

Arkady Leiderman, Mikhail G. Tkachenko, Sidney A. Morris

arxiv:1501.02877 v1 · 2015-01-13 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPMJVR6BNBTC7A7AYJVJYBJ7Q7}

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	2026-05-18T02:29:31.044453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd89ac7c168662f83e0c26a9c053f87fbfe0cdb9453a69b629a6852effee2ed

Aliases

arxiv: 1501.02877 · arxiv_version: 1501.02877v1 · doi: 10.48550/arxiv.1501.02877 · pith_short_12: DPMJVR6BNBTC · pith_short_16: DPMJVR6BNBTC7A7A · pith_short_8: DPMJVR6B

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/DPMJVR6BNBTC7A7AYJVJYBJ7Q7 \
  | 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: 1bd89ac7c168662f83e0c26a9c053f87fbfe0cdb9453a69b629a6852effee2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b64636c97af7b14d1411f12ec3da1d820bc82ec5e56b34ac63cbecf525433ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-01-13T03:44:48Z",
    "title_canon_sha256": "40ccedea236f3790812ca5aade80c3bddd36df481f1fdf68e65696eb271048cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02877",
    "kind": "arxiv",
    "version": 1
  }
}