Pith Number

pith:IQHWHYWQ

pith:2022:IQHWHYWQP4HO6G2Z5ITMQDNLMH

not attested not anchored not stored refs pending

Fixed-point-free pseudo-Anosov homeomorphisms, knot Floer homology and the cinquefoil

Braeden Reinoso, Ethan Farber, Luya Wang

arxiv:2203.01402 v2 · 2022-03-02 · math.GT · 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{IQHWHYWQP4HO6G2Z5ITMQDNLMH}

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	2026-07-05T09:55:29.109848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

440f63e2d07f0eef1b59ea26c80dab61e8d6f82f8cba0f10546852264f7f3447

Aliases

arxiv: 2203.01402 · arxiv_version: 2203.01402v2 · doi: 10.48550/arxiv.2203.01402 · pith_short_12: IQHWHYWQP4HO · pith_short_16: IQHWHYWQP4HO6G2Z · pith_short_8: IQHWHYWQ

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/IQHWHYWQP4HO6G2Z5ITMQDNLMH \
  | 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: 440f63e2d07f0eef1b59ea26c80dab61e8d6f82f8cba0f10546852264f7f3447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5608592bb2486c686d68b5f4168424d681569c317dee85db1431039e0fc600",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2022-03-02T20:58:14Z",
    "title_canon_sha256": "04eb753dc9d70746d36b1870a554bcca11ded529c0c9766c67d95b5bb8e15342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.01402",
    "kind": "arxiv",
    "version": 2
  }
}