Pith Number

pith:7GUJAGOU

pith:2014:7GUJAGOUM6IRMT73U4TLU2WORS

not attested not anchored not stored refs pending

The dynamical hierarchy for Roelcke precompact Polish groups

Tom\'as Ibarluc\'ia (ICJ)

arxiv:1405.4613 v3 · 2014-05-19 · math.LO · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GUJAGOUM6IRMT73U4TLU2WORS}

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	2026-05-18T01:20:21.284900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a89019d46791164ffba726ba6ace8c8d1045e22f30dc84580c4b2df3ea79a1

Aliases

arxiv: 1405.4613 · arxiv_version: 1405.4613v3 · doi: 10.48550/arxiv.1405.4613 · pith_short_12: 7GUJAGOUM6IR · pith_short_16: 7GUJAGOUM6IRMT73 · pith_short_8: 7GUJAGOU

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/7GUJAGOUM6IRMT73U4TLU2WORS \
  | 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: f9a89019d46791164ffba726ba6ace8c8d1045e22f30dc84580c4b2df3ea79a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eedfdd1e60b0b2e0466e6142ed2df374eeaf885f121c6d2a9a0bc6a273b38c8",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-05-19T06:14:05Z",
    "title_canon_sha256": "f96f99b27b63a75436fef4701b1026252107fae413e43ca64b7af0a08a2bfa58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4613",
    "kind": "arxiv",
    "version": 3
  }
}