Pith Number

pith:42SPV5T4

pith:2015:42SPV5T4ULNK5C6L6JHSTE2S6O

not attested not anchored not stored refs pending

Evolution of Collective Behaviors for a Real Swarm of Aquatic Surface Robots

Anders Lyhne Christensen, Fernando Silva, Jorge Gomes, Miguel Duarte, Sancho Moura Oliveira, Tiago Rodrigues, Vasco Costa

arxiv:1511.03154 v2 · 2015-11-10 · 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{42SPV5T4ULNK5C6L6JHSTE2S6O}

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	2026-05-18T01:18:41.648056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a4faf67ca2daae8bcbf24f299352f3921c473b412d1584fba40eaa6da53609

Aliases

arxiv: 1511.03154 · arxiv_version: 1511.03154v2 · doi: 10.48550/arxiv.1511.03154 · pith_short_12: 42SPV5T4ULNK · pith_short_16: 42SPV5T4ULNK5C6L · pith_short_8: 42SPV5T4

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/42SPV5T4ULNK5C6L6JHSTE2S6O \
  | 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: e6a4faf67ca2daae8bcbf24f299352f3921c473b412d1584fba40eaa6da53609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73c325fbbf3cb2d7bf69d55965690f793e9d61f6a95f14cfdd4ed691f0e01451",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2015-11-10T15:49:44Z",
    "title_canon_sha256": "035af2cf7342e373e09272c038494f966120552b60cd38c428ed064c5aa43bc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03154",
    "kind": "arxiv",
    "version": 2
  }
}