Pith Number

pith:U3HLRAP4

pith:2018:U3HLRAP4DESOFA44NVJ52PXZBW

not attested not anchored not stored refs pending

Topologically Anosov plane homeomorphisms

Gonzalo Cousillas, Jorge Groisman, Juliana Xavier

arxiv:1805.02737 v1 · 2018-05-07 · 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{U3HLRAP4DESOFA44NVJ52PXZBW}

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	2026-05-18T00:16:35.852192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ceb881fc1924e2839c6d53dd3ef90d83670bb1b4c302b2105c63118565d204

Aliases

arxiv: 1805.02737 · arxiv_version: 1805.02737v1 · doi: 10.48550/arxiv.1805.02737 · pith_short_12: U3HLRAP4DESO · pith_short_16: U3HLRAP4DESOFA44 · pith_short_8: U3HLRAP4

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/U3HLRAP4DESOFA44NVJ52PXZBW \
  | 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: a6ceb881fc1924e2839c6d53dd3ef90d83670bb1b4c302b2105c63118565d204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "338909d887db929a9f8e077cc145f5b188a9f45ba57c1b82d8cdf87a8890ddd7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-05-07T20:38:24Z",
    "title_canon_sha256": "63d87d40d520387fa32e9eb31b3bd6017e11841495b45a54f5f7daec86f69e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02737",
    "kind": "arxiv",
    "version": 1
  }
}