Pith Number

pith:WQ26GA4E

pith:2010:WQ26GA4EK6AH6XOY3ULAAZW45S

not attested not anchored not stored refs pending

On isotopy and unimodal inverse limit spaces

Henk Bruin, Sonja Stimac

arxiv:1010.3535 v1 · 2010-10-18 · 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{WQ26GA4EK6AH6XOY3ULAAZW45S}

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	2026-05-18T04:39:08.875162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b435e3038457807f5dd8dd160066dcec800a8b19eaee7d851e56bb6c83e6f802

Aliases

arxiv: 1010.3535 · arxiv_version: 1010.3535v1 · doi: 10.48550/arxiv.1010.3535 · pith_short_12: WQ26GA4EK6AH · pith_short_16: WQ26GA4EK6AH6XOY · pith_short_8: WQ26GA4E

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/WQ26GA4EK6AH6XOY3ULAAZW45S \
  | 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: b435e3038457807f5dd8dd160066dcec800a8b19eaee7d851e56bb6c83e6f802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8e1e49d444dfb9e44404ddd7947249beb789e8b992c4001d5a168cc5f25dbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2010-10-18T09:55:35Z",
    "title_canon_sha256": "34048faf36920e5525409d7f65ee6130ec5bcc227719f6fbd669ce357dae9a1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3535",
    "kind": "arxiv",
    "version": 1
  }
}