Pith Number

pith:Z4AEHYKY

pith:2018:Z4AEHYKYF2KIKGG3NJZNNLDS5F

not attested not anchored not stored refs pending

The Mapping Class Group of a Minimal Subshift

Kitty Yang, Scott Schmieding

arxiv:1810.08847 v1 · 2018-10-20 · 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{Z4AEHYKYF2KIKGG3NJZNNLDS5F}

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	2026-05-18T00:02:41.713874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf0043e1582e948518db6a72d6ac72e967eb94147220e65a73de3e8d2dd8edb4

Aliases

arxiv: 1810.08847 · arxiv_version: 1810.08847v1 · doi: 10.48550/arxiv.1810.08847 · pith_short_12: Z4AEHYKYF2KI · pith_short_16: Z4AEHYKYF2KIKGG3 · pith_short_8: Z4AEHYKY

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/Z4AEHYKYF2KIKGG3NJZNNLDS5F \
  | 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: cf0043e1582e948518db6a72d6ac72e967eb94147220e65a73de3e8d2dd8edb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d10cbcc4d8fb7cf5e7562d7f61f26ca5737eb7503bd8c9cca31476d73559150",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-10-20T19:51:14Z",
    "title_canon_sha256": "6d00f0be1d082e9d7f737dfc8a1f9065152e40149edeecbf912f373a8de6090b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08847",
    "kind": "arxiv",
    "version": 1
  }
}