Pith Number

pith:QRXBCU6Z

pith:2021:QRXBCU6ZJGE2L5ACA3GTIL7PHQ

not attested not anchored not stored refs pending

Birds of a Feather Flock Together: A Close Look at Cooperation Emergence via Multi-Agent RL

Chi Han, Chongjie Zhang, Heng Dong, Jiayuan Liu, Tonghan Wang

arxiv:2104.11455 v2 · 2021-04-23 · cs.MA · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRXBCU6ZJGE2L5ACA3GTIL7PHQ}

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.

Cited by

1 paper in Pith

Clutter Detection and Removal by Multi-Objective Analysis for Photographic Guidance

Receipt and verification

First computed	2026-07-05T02:46:27.625667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

846e1153d94989a5f40206cd342fef3c396563b68a5e4c240b5a75bcbe052427

Aliases

arxiv: 2104.11455 · arxiv_version: 2104.11455v2 · doi: 10.48550/arxiv.2104.11455 · pith_short_12: QRXBCU6ZJGE2 · pith_short_16: QRXBCU6ZJGE2L5AC · pith_short_8: QRXBCU6Z

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/QRXBCU6ZJGE2L5ACA3GTIL7PHQ \
  | 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: 846e1153d94989a5f40206cd342fef3c396563b68a5e4c240b5a75bcbe052427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6e0e3d61e7980b27da2850b7aa70e052922c28b2791ae7edc0b43e71e02ac28",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2021-04-23T08:00:45Z",
    "title_canon_sha256": "45bd958d0bb0a0fdea0fa326b778132bc9bc16c507ab138a47b8e41c2039dcaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11455",
    "kind": "arxiv",
    "version": 2
  }
}