Pith Number

pith:5DMANROA

pith:2019:5DMANROAOHHAR2L2EYQYYCFDYF

not attested not anchored not stored refs pending

Algorithms for arithmetic groups with the congruence subgroup property

A. Hulpke, A. S. Detinko, D. L. Flannery

arxiv:1906.10423 v1 · 2019-06-25 · 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{5DMANROAOHHAR2L2EYQYYCFDYF}

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	2026-05-17T23:42:16.410682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8d806c5c071ce08e97a26218c08a3c169b5ae80dca7ffdf296eca77a7afb00c

Aliases

arxiv: 1906.10423 · arxiv_version: 1906.10423v1 · doi: 10.48550/arxiv.1906.10423 · pith_short_12: 5DMANROAOHHA · pith_short_16: 5DMANROAOHHAR2L2 · pith_short_8: 5DMANROA

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/5DMANROAOHHAR2L2EYQYYCFDYF \
  | 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: e8d806c5c071ce08e97a26218c08a3c169b5ae80dca7ffdf296eca77a7afb00c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45e6255a3918f67269b0279147fcd67fda3a57cc43d8b6042e9a98eed760f68a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-06-25T09:53:56Z",
    "title_canon_sha256": "ce64d56f3b0b777611dd7b668047e11c1d4eb881cdf1a240c2d312593add707d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10423",
    "kind": "arxiv",
    "version": 1
  }
}