Pith Number

pith:YVIXDNFS

pith:2019:YVIXDNFSPVDTSIF7GJV3LFNZ2Q

not attested not anchored not stored refs pending

Profinite invariants of arithmetic groups

Holger Kammeyer, Jean Raimbault, Roman Sauer, Steffen Kionke

arxiv:1901.01227 v2 · 2019-01-04 · 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{YVIXDNFSPVDTSIF7GJV3LFNZ2Q}

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	2026-05-17T23:55:53.095889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c55171b4b27d473920bf326bb595b9d428345434310008fa13a93fa0a590f3d2

Aliases

arxiv: 1901.01227 · arxiv_version: 1901.01227v2 · doi: 10.48550/arxiv.1901.01227 · pith_short_12: YVIXDNFSPVDT · pith_short_16: YVIXDNFSPVDTSIF7 · pith_short_8: YVIXDNFS

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/YVIXDNFSPVDTSIF7GJV3LFNZ2Q \
  | 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: c55171b4b27d473920bf326bb595b9d428345434310008fa13a93fa0a590f3d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32ae26c43fe8e64ab344e7485250f746a1029930f510ef1e46f57615617757c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-01-04T17:52:37Z",
    "title_canon_sha256": "861546d590a3949bdfa6172ebcf22be3e6b74ad43ce99adbac4bd436417a1beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01227",
    "kind": "arxiv",
    "version": 2
  }
}