Pith Number

pith:YYHYRYFO

pith:2014:YYHYRYFOOCX3T6MVHN4M5KSLH4

not attested not anchored not stored refs pending

Nonmeasurable subgroups of compact groups

Karl H. Hofmann, Salvador Hern\'andez, Sidney A. Morris

arxiv:1406.6837 v1 · 2014-06-26 · 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{YYHYRYFOOCX3T6MVHN4M5KSLH4}

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	2026-05-18T02:48:55.709617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c60f88e0ae70afb9f9953b78ceaa4b3f38f9e6f5db258351105fc30fe73f4c5c

Aliases

arxiv: 1406.6837 · arxiv_version: 1406.6837v1 · doi: 10.48550/arxiv.1406.6837 · pith_short_12: YYHYRYFOOCX3 · pith_short_16: YYHYRYFOOCX3T6MV · pith_short_8: YYHYRYFO

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/YYHYRYFOOCX3T6MVHN4M5KSLH4 \
  | 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: c60f88e0ae70afb9f9953b78ceaa4b3f38f9e6f5db258351105fc30fe73f4c5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2ae5aa466799c9fda233e3a0274e97c68cc4549ed65fc0ae8813c5d378f512d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-06-26T10:38:27Z",
    "title_canon_sha256": "4ca30d396750dca65db4032e757d8e8c6a5f17c5e6e4b8ede37dadf1a0a0e27d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6837",
    "kind": "arxiv",
    "version": 1
  }
}