Pith Number

pith:IGQ7GAAU

pith:2019:IGQ7GAAUCT6C7N7NUVBL245TT6

not attested not anchored not stored refs pending

Weakly homoclinic groups of ergodic actions

V.V. Ryzhikov

arxiv:1901.09028 v1 · 2019-01-25 · 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{IGQ7GAAUCT6C7N7NUVBL245TT6}

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	2026-05-17T23:55:30.950180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a1f3001414fc2fb7eda542bd73b39fbf731b27a664a67124d4f8c017f101e3

Aliases

arxiv: 1901.09028 · arxiv_version: 1901.09028v1 · doi: 10.48550/arxiv.1901.09028 · pith_short_12: IGQ7GAAUCT6C · pith_short_16: IGQ7GAAUCT6C7N7N · pith_short_8: IGQ7GAAU

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/IGQ7GAAUCT6C7N7NUVBL245TT6 \
  | 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: 41a1f3001414fc2fb7eda542bd73b39fbf731b27a664a67124d4f8c017f101e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071931654fe072561d3b4acc4dbb6f605d0d163f55f49fac4db3edc56a3951ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-01-25T18:54:17Z",
    "title_canon_sha256": "184e878b6960f585375a0a2d98425509587924027d73d7d1e03e4bc31f85a1af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09028",
    "kind": "arxiv",
    "version": 1
  }
}