Pith Number

pith:ZU6I6QOE

pith:2014:ZU6I6QOEGDAFVQYA46MXRVANM2

not attested not anchored not stored refs pending

Dynamics of annulus coverings II: periodic points

Aldo Portela, Alvaro Rovella, Jorge Iglesias, Juliana Xavier

arxiv:1411.5565 v2 · 2014-11-20 · 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{ZU6I6QOEGDAFVQYA46MXRVANM2}

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	2026-05-18T01:19:51.052906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3c8f41c430c05ac300e79978d40d66bbd0ae6cd4ea5136e8351bd28e251746

Aliases

arxiv: 1411.5565 · arxiv_version: 1411.5565v2 · doi: 10.48550/arxiv.1411.5565 · pith_short_12: ZU6I6QOEGDAF · pith_short_16: ZU6I6QOEGDAFVQYA · pith_short_8: ZU6I6QOE

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/ZU6I6QOEGDAFVQYA46MXRVANM2 \
  | 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: cd3c8f41c430c05ac300e79978d40d66bbd0ae6cd4ea5136e8351bd28e251746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4a77a1b6e49c060d14ef9f58edf368cfecf10018e21d37b5f2e6ee03fee6ebd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-11-20T15:06:34Z",
    "title_canon_sha256": "ba06538fefc3f00501a5d98e5862698680d32650fbdd3ae28ae94283d215b428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5565",
    "kind": "arxiv",
    "version": 2
  }
}