Pith Number

pith:PSSA6ZWE

pith:2017:PSSA6ZWETGUIHS74XTUWOK3DHU

not attested not anchored not stored refs pending

On the computability of rotation sets and their entropies

Christian Wolf, Martin Schmoll, Michael Burr

arxiv:1706.07973 v1 · 2017-06-24 · 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{PSSA6ZWETGUIHS74XTUWOK3DHU}

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	2026-05-18T00:41:46.994462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ca40f66c499a883cbfcbce9672b633d1cba779942113b081354cc8fa4529451

Aliases

arxiv: 1706.07973 · arxiv_version: 1706.07973v1 · doi: 10.48550/arxiv.1706.07973 · pith_short_12: PSSA6ZWETGUI · pith_short_16: PSSA6ZWETGUIHS74 · pith_short_8: PSSA6ZWE

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/PSSA6ZWETGUIHS74XTUWOK3DHU \
  | 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: 7ca40f66c499a883cbfcbce9672b633d1cba779942113b081354cc8fa4529451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a9c9556df2c899dbc584a7245e2903cab6a1402a24b703992522e2d3663c1ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-06-24T15:41:06Z",
    "title_canon_sha256": "bcb682bfe94c9ae728a8c1421d3952f100471e1c0427c292546e33b609200e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07973",
    "kind": "arxiv",
    "version": 1
  }
}