Pith Number

pith:WULHAU5V

pith:2018:WULHAU5V5EVAGUF3ED5NI46CSD

not attested not anchored not stored refs pending

Nonuniform contractions and density stability results via a smooth topological equivalence

\'Alvaro Casta\~neda, Gonzalo Robledo, Pablo Monz\'on

arxiv:1808.07568 v1 · 2018-08-22 · 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{WULHAU5V5EVAGUF3ED5NI46CSD}

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	2026-05-18T00:07:26.924280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5167053b5e92a0350bb20fad473c290eae4a0bee6a8352c54d3eb4ef4b8958a

Aliases

arxiv: 1808.07568 · arxiv_version: 1808.07568v1 · doi: 10.48550/arxiv.1808.07568 · pith_short_12: WULHAU5V5EVA · pith_short_16: WULHAU5V5EVAGUF3 · pith_short_8: WULHAU5V

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/WULHAU5V5EVAGUF3ED5NI46CSD \
  | 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: b5167053b5e92a0350bb20fad473c290eae4a0bee6a8352c54d3eb4ef4b8958a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "368e2c75fe74d151d62f36aff87cb39678c6ae31047cd1b586fa6b9dfa6466d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-08-22T21:24:21Z",
    "title_canon_sha256": "a4b25c2a85d56c42dce8077abb6ea31aed4dfb4429d2d320a04d043c628c5f0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07568",
    "kind": "arxiv",
    "version": 1
  }
}