Pith Number

pith:NY2W7CLE

pith:2018:NY2W7CLE25DDC3BRBONVGU37CE

not attested not anchored not stored refs pending

On the Existence and Uniqueness of Poincar\'e Maps for Systems with Impulse Effects

Jacob Goodman, Leonardo Colombo

arxiv:1810.05426 v2 · 2018-10-12 · cs.SY · math.DG · math.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NY2W7CLE25DDC3BRBONVGU37CE}

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	2026-05-17T23:41:24.890470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e356f8964d746316c310b9b53537f1131825cc8ca2482c7ff4acbd82c747aff

Aliases

arxiv: 1810.05426 · arxiv_version: 1810.05426v2 · doi: 10.48550/arxiv.1810.05426 · pith_short_12: NY2W7CLE25DD · pith_short_16: NY2W7CLE25DDC3BR · pith_short_8: NY2W7CLE

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/NY2W7CLE25DDC3BRBONVGU37CE \
  | 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: 6e356f8964d746316c310b9b53537f1131825cc8ca2482c7ff4acbd82c747aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e74067a75a248a5532489eec20ccbf18f95f5b782edbe2448e0f9617fa25940",
    "cross_cats_sorted": [
      "math.DG",
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-10-12T09:22:14Z",
    "title_canon_sha256": "42eef77d7320b9fbbeb3e793930c55cceeeb3ae57fe775fab373d6ddfadc68eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05426",
    "kind": "arxiv",
    "version": 2
  }
}