Pith Number

pith:2Y6HL7BD

pith:2018:2Y6HL7BDBHFGPJ6YH5LC2DMRNU

not attested not anchored not stored refs pending

Provable Emergent Pattern Formation by a Swarm of Anonymous, Homogeneous, Non-Communicating, Reactive Robots with Limited Relative Sensing and no Global Knowledge or Positioning

Eberhard K.A. Gill, Guido C.H.E. de Croon, Jian Guo, Mario Coppola

arxiv:1804.06827 v1 · 2018-04-18 · 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{2Y6HL7BDBHFGPJ6YH5LC2DMRNU}

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	2026-05-18T00:18:05.644221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d63c75fc2309ca67a7d83f562d0d916d1adf72d6d877b5ef57c32f3406c1196f

Aliases

arxiv: 1804.06827 · arxiv_version: 1804.06827v1 · doi: 10.48550/arxiv.1804.06827 · pith_short_12: 2Y6HL7BDBHFG · pith_short_16: 2Y6HL7BDBHFGPJ6Y · pith_short_8: 2Y6HL7BD

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/2Y6HL7BDBHFGPJ6YH5LC2DMRNU \
  | 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: d63c75fc2309ca67a7d83f562d0d916d1adf72d6d877b5ef57c32f3406c1196f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3635233ee8cd3639e95bfb34fcabe5b57e3766f1c80fb4171dd004b44fa2e327",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-04-18T17:26:14Z",
    "title_canon_sha256": "e3302b71443532a5b138c033868791de43a08aa59f6e779d85b5ca2204fdfc3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06827",
    "kind": "arxiv",
    "version": 1
  }
}