Pith Number

pith:PDOPCE6I

pith:2026:PDOPCE6IWQOVQYLU7L5RW3GAWB

not attested not anchored not stored refs pending

Learning Altruistic Collaboration in Heterogeneous Multi-Team Systems

Brooks A. Butler, Magnus Egerstedt, Riwa Karam, Ruoyu Lin

arxiv:2605.21723 v1 · 2026-05-20 · cs.RO · cs.AI · cs.MA · cs.SY · eess.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{PDOPCE6IWQOVQYLU7L5RW3GAWB}

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	2026-05-22T01:03:29.426954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78dcf113c8b41d586174fafb1b6cc0b06a268de873bde121b0ab0ea1c15ec3f1

Aliases

arxiv: 2605.21723 · arxiv_version: 2605.21723v1 · doi: 10.48550/arxiv.2605.21723 · pith_short_12: PDOPCE6IWQOV · pith_short_16: PDOPCE6IWQOVQYLU · pith_short_8: PDOPCE6I

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/PDOPCE6IWQOVQYLU7L5RW3GAWB \
  | 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: 78dcf113c8b41d586174fafb1b6cc0b06a268de873bde121b0ab0ea1c15ec3f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e0c8df4afdaef19b5a0737b8e5d7880b5b6c6e2b56c30128dc234b936ac49c4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MA",
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-05-20T20:30:58Z",
    "title_canon_sha256": "3367fb27c7e6ab542870259edb2d1e3ff4604ce0feb0817a2784a78b7a1aadb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21723",
    "kind": "arxiv",
    "version": 1
  }
}