Pith Number

pith:AX7JKE44

pith:2021:AX7JKE445OHY7XVDCST54RAUHN

not attested not anchored not stored refs pending

Invariant Forms in Hybrid and Impact Systems and a Taming of Zeno

Anthony Bloch, William Clark

arxiv:2101.11128 v2 · 2021-01-26 · 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{AX7JKE445OHY7XVDCST54RAUHN}

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.

Cited by

1 paper in Pith

From bungee to $C^1$ and $C^0$ Hamiltonian systems and their integrability and nonintegrability

Receipt and verification

First computed	2026-07-05T03:51:42.233024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05fe95139ceb8f8fdea314a7de44143b44ecdf6e49cb09fba5ce3a3f126720c7

Aliases

arxiv: 2101.11128 · arxiv_version: 2101.11128v2 · doi: 10.48550/arxiv.2101.11128 · pith_short_12: AX7JKE445OHY · pith_short_16: AX7JKE445OHY7XVD · pith_short_8: AX7JKE44

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/AX7JKE445OHY7XVDCST54RAUHN \
  | 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: 05fe95139ceb8f8fdea314a7de44143b44ecdf6e49cb09fba5ce3a3f126720c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36add201e76a7a63888d59a4ae134ae8c7d1ce6159c7b96145ec9dde5a228ac1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2021-01-26T23:04:39Z",
    "title_canon_sha256": "068c32e1393659ca4c82c452ef11f327813250518c85298b77a5236dcc252532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11128",
    "kind": "arxiv",
    "version": 2
  }
}