Pith Number

pith:75IO6HKP

pith:2021:75IO6HKPVRXWV3GA5ST4GRFD5K

not attested not anchored not stored refs pending

Defending a Perimeter from a Ground Intruder Using an Aerial Defender: Theory and Practice

Daigo Shishika, Elijah S. Lee, Giuseppe Loianno, Vijay Kumar

arxiv:2109.02852 v1 · 2021-09-07 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75IO6HKPVRXWV3GA5ST4GRFD5K}

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	2026-07-05T03:12:20.319660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff50ef1d4fac6f6aecc0eca7c344a3ea88d8409e4a782d47bed0c94b8ffc04cb

Aliases

arxiv: 2109.02852 · arxiv_version: 2109.02852v1 · doi: 10.48550/arxiv.2109.02852 · pith_short_12: 75IO6HKPVRXW · pith_short_16: 75IO6HKPVRXWV3GA · pith_short_8: 75IO6HKP

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/75IO6HKPVRXWV3GA5ST4GRFD5K \
  | 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: ff50ef1d4fac6f6aecc0eca7c344a3ea88d8409e4a782d47bed0c94b8ffc04cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cf0d450c436e8c2a0f4f84832bd0d7e262751410e8e174f601dcb5d8c6dcf91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-09-07T04:13:01Z",
    "title_canon_sha256": "9387913ebc64be1e4f8ab08ff0fe02fef54a85c779c1ba5b62e9d6f25b6665d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02852",
    "kind": "arxiv",
    "version": 1
  }
}