Pith Number

pith:XTQTQQD4

pith:2017:XTQTQQD4C4VRK2KD7BC75U7LNL

not attested not anchored not stored refs pending

A Generic Formation Controller and State Observer for Multiple Unmanned Systems

Chunjiang Qian, Daniel Pack, Liang Sun, Rajdeep Dutta

arxiv:1709.01321 v1 · 2017-09-05 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTQTQQD4C4VRK2KD7BC75U7LNL}

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	2026-05-18T00:36:00.421596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce138407c172b156943f845fed3eb6ac6a5ab678aefb408839ea68efc48ef45

Aliases

arxiv: 1709.01321 · arxiv_version: 1709.01321v1 · doi: 10.48550/arxiv.1709.01321 · pith_short_12: XTQTQQD4C4VR · pith_short_16: XTQTQQD4C4VRK2KD · pith_short_8: XTQTQQD4

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/XTQTQQD4C4VRK2KD7BC75U7LNL \
  | 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: bce138407c172b156943f845fed3eb6ac6a5ab678aefb408839ea68efc48ef45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d57f543af8a45644b54d4940efc22d432acd81a51e5ef81e47ec7e9c7b56032",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-09-05T10:21:06Z",
    "title_canon_sha256": "2766db380357ccdd13430a2805d4c47ef88b5b11ec5cee2825ebf215a1874292"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01321",
    "kind": "arxiv",
    "version": 1
  }
}