Pith Number

pith:4GANIICU

pith:2016:4GANIICUI7XYM5UYMQOS7LYKF5

not attested not anchored not stored refs pending

A note on the surjunctivity of algebraic dynamical systems

Michel Coornaert, Tullio Ceccherini-Silberstein

arxiv:1612.05893 v1 · 2016-12-18 · math.DS · 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{4GANIICUI7XYM5UYMQOS7LYKF5}

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	2026-05-18T00:54:46.382890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e180d4205447ef867698641d2faf0a2f762757e9c0ca5eba285763921a2e6808

Aliases

arxiv: 1612.05893 · arxiv_version: 1612.05893v1 · doi: 10.48550/arxiv.1612.05893 · pith_short_12: 4GANIICUI7XY · pith_short_16: 4GANIICUI7XYM5UY · pith_short_8: 4GANIICU

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/4GANIICUI7XYM5UYMQOS7LYKF5 \
  | 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: e180d4205447ef867698641d2faf0a2f762757e9c0ca5eba285763921a2e6808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc8ed2303bb7e0bd7650ddcd1c9f7ddf95cec645fb7b0f6c49b6e70feb8b9630",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-12-18T11:06:20Z",
    "title_canon_sha256": "77e498a66834e952e40d2cb31a3154e1b4c946da4ea4da7ee0f582af2a7c6561"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05893",
    "kind": "arxiv",
    "version": 1
  }
}