Pith Number

pith:5YFJBDTW

pith:2019:5YFJBDTWU5GBZPFR4LNXA6P2EQ

not attested not anchored not stored refs pending

The Parameterized Complexity of Motion Planning for Snake-Like Robots

Guy Sa'ar, Meirav Zehavi, Siddharth Gupta

arxiv:1903.02445 v1 · 2019-03-06 · cs.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{5YFJBDTWU5GBZPFR4LNXA6P2EQ}

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	2026-05-17T23:51:55.289176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee0a908e76a74c1cbcb1e2db7079fa240a6e81b019bb976dd34a966d7db4ee87

Aliases

arxiv: 1903.02445 · arxiv_version: 1903.02445v1 · doi: 10.48550/arxiv.1903.02445 · pith_short_12: 5YFJBDTWU5GB · pith_short_16: 5YFJBDTWU5GBZPFR · pith_short_8: 5YFJBDTW

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/5YFJBDTWU5GBZPFR4LNXA6P2EQ \
  | 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: ee0a908e76a74c1cbcb1e2db7079fa240a6e81b019bb976dd34a966d7db4ee87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dd07e534e2c25191778e7bffa5c31706b609d3e99276e1d22b55e3c0536611d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-03-06T15:20:14Z",
    "title_canon_sha256": "40889335c8ba4781d11cd79df8f9baa31f8f450e425d2986f179e6b9aa867e90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02445",
    "kind": "arxiv",
    "version": 1
  }
}