Pith Number

pith:BTG25RNU

pith:2018:BTG25RNUOFYJMS7PRXAZ4EF4OU

not attested not anchored not stored refs pending

Smoothness of Topological Equivalence on the Half Line for Nonautonomous Systems

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

arxiv:1801.08960 v2 · 2018-01-26 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTG25RNUOFYJMS7PRXAZ4EF4OU}

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	2026-05-18T00:11:57.525469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ccdaec5b47170964bef8dc19e10bc75103167fba84267742e5aa0f747bc4500

Aliases

arxiv: 1801.08960 · arxiv_version: 1801.08960v2 · doi: 10.48550/arxiv.1801.08960 · pith_short_12: BTG25RNUOFYJ · pith_short_16: BTG25RNUOFYJMS7P · pith_short_8: BTG25RNU

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/BTG25RNUOFYJMS7PRXAZ4EF4OU \
  | 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: 0ccdaec5b47170964bef8dc19e10bc75103167fba84267742e5aa0f747bc4500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb974742a5934ba5f2a8a6cbaa1835ab0856b52eb989d8cde347b64ab2dc09a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-01-26T19:52:12Z",
    "title_canon_sha256": "eed1c69892d3ad7395c8b5b18f7769cda32777778486d45ea3f800cce5657504"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08960",
    "kind": "arxiv",
    "version": 2
  }
}