Pith Number

pith:SVZP35CZ

pith:2015:SVZP35CZR2EO4RMIDKZMX3XVFV

not attested not anchored not stored refs pending

Takens' last problem and existence of non-trivial wandering domains

Shin Kiriki, Teruhiko Soma

arxiv:1503.06258 v4 · 2015-03-21 · 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{SVZP35CZR2EO4RMIDKZMX3XVFV}

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	2026-05-18T01:00:12.853762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9572fdf4598e88ee45881ab2cbeef52d45505dbb63b90fda26797dfc810cd53f

Aliases

arxiv: 1503.06258 · arxiv_version: 1503.06258v4 · doi: 10.48550/arxiv.1503.06258 · pith_short_12: SVZP35CZR2EO · pith_short_16: SVZP35CZR2EO4RMI · pith_short_8: SVZP35CZ

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/SVZP35CZR2EO4RMIDKZMX3XVFV \
  | 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: 9572fdf4598e88ee45881ab2cbeef52d45505dbb63b90fda26797dfc810cd53f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a4658ad761f3b2061ef271396693a07a9fcb7b240ed5a03ca7e68a4ed4d357",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-03-21T02:30:08Z",
    "title_canon_sha256": "a11479b985e2f38c1fac01f47a23adb63766cc5a441481d2b6537c2739a75b84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06258",
    "kind": "arxiv",
    "version": 4
  }
}