Pith Number

pith:L3YNY5DE

pith:2020:L3YNY5DEGSCBDR4EXYLVGYYOLJ

not attested not anchored not stored refs pending

Teach Me What You Want to Play: Learning Variants of Connect Four through Human-Robot Interaction

Alan R. Wagner, Ali Ayub

arxiv:2001.01004 v4 · 2020-01-03 · cs.RO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3YNY5DEGSCBDR4EXYLVGYYOLJ}

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	2026-07-05T02:06:29.330376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ef0dc7464348411c784be1753630e5a4fef53fd34a83ee3b5269e8c4b8797aa

Aliases

arxiv: 2001.01004 · arxiv_version: 2001.01004v4 · doi: 10.48550/arxiv.2001.01004 · pith_short_12: L3YNY5DEGSCB · pith_short_16: L3YNY5DEGSCBDR4E · pith_short_8: L3YNY5DE

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/L3YNY5DEGSCBDR4EXYLVGYYOLJ \
  | 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: 5ef0dc7464348411c784be1753630e5a4fef53fd34a83ee3b5269e8c4b8797aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a38d1147ddece55fce13e7bfa5619489c8b387af0eb982a5c6aab43b42efd9e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2020-01-03T22:28:24Z",
    "title_canon_sha256": "29fcbfb7be67b1a08ad9663e9b4f176fb9a384c5bd822b1c59e9360011e0010b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01004",
    "kind": "arxiv",
    "version": 4
  }
}