Pith Number

pith:EHLPZUPH

pith:2015:EHLPZUPHZBCO3YBOXZD53WFDII

not attested not anchored not stored refs pending

A PDE Approach to Data-driven Sub-Riemannian Geodesics in SE(2)

Alexey Mashtakov, Erik J. Bekkers, Gonzalo R. Sanguinetti, Remco Duits

arxiv:1503.01433 v2 · 2015-03-04 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHLPZUPHZBCO3YBOXZD53WFDII}

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	2026-05-18T00:52:08.674412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21d6fcd1e7c844ede02ebe47ddd8a34205ec08e43f7be38854b4a09415756699

Aliases

arxiv: 1503.01433 · arxiv_version: 1503.01433v2 · doi: 10.48550/arxiv.1503.01433 · pith_short_12: EHLPZUPHZBCO · pith_short_16: EHLPZUPHZBCO3YBO · pith_short_8: EHLPZUPH

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/EHLPZUPHZBCO3YBOXZD53WFDII \
  | 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: 21d6fcd1e7c844ede02ebe47ddd8a34205ec08e43f7be38854b4a09415756699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63792c66d71e8e94e632509d778c2250f780e51553fc53d0d397664d1770c0cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-03-04T19:27:03Z",
    "title_canon_sha256": "fc8992b5def522d40e6cb588f72bd36db5ac3c1abee0896976c6b2a226e29656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01433",
    "kind": "arxiv",
    "version": 2
  }
}