Pith Number

pith:KRM57RCY

pith:2018:KRM57RCYPERRF5G7KSKNYUGPOA

not attested not anchored not stored refs pending

Trial by Flyer: Building Quadcopters From Scratch in a Ten-Week Capstone Course

Steven Swanson

arxiv:1810.07646 v3 · 2018-10-01 · cs.RO · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KRM57RCYPERRF5G7KSKNYUGPOA}

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	2026-05-17T23:51:39.265570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5459dfc458792312f4df5494dc50cf7018f6422438c3baf08de3e5c74de84795

Aliases

arxiv: 1810.07646 · arxiv_version: 1810.07646v3 · doi: 10.48550/arxiv.1810.07646 · pith_short_12: KRM57RCYPERR · pith_short_16: KRM57RCYPERRF5G7 · pith_short_8: KRM57RCY

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/KRM57RCYPERRF5G7KSKNYUGPOA \
  | 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: 5459dfc458792312f4df5494dc50cf7018f6422438c3baf08de3e5c74de84795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6009c9953247243abc8178a0fe728c77c4d9a1105f2350b0cbb5cb51a4481de7",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-10-01T05:28:36Z",
    "title_canon_sha256": "6e06a1a0a5baff3377ebff80c7aaefb8be3f09d853c000a667bbae33f6ff7c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07646",
    "kind": "arxiv",
    "version": 3
  }
}