Pith Number

pith:NJ4KU6M5

pith:2022:NJ4KU6M5UY3X5FAT2UA3MMHXVT

not attested not anchored not stored refs pending

Watts: Infrastructure for Open-Ended Learning

Aaron Dharna, Amy K. Hoover, Charlie Summers, Julian Togelius, Rohin Dasari

arxiv:2204.13250 v1 · 2022-04-28 · cs.AI · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJ4KU6M5UY3X5FAT2UA3MMHXVT}

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	2026-07-05T04:18:32.871765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a78aa799da6377e9413d501b630f7acefa1f7c5bc13fb2f73038b587b227656

Aliases

arxiv: 2204.13250 · arxiv_version: 2204.13250v1 · doi: 10.48550/arxiv.2204.13250 · pith_short_12: NJ4KU6M5UY3X · pith_short_16: NJ4KU6M5UY3X5FAT · pith_short_8: NJ4KU6M5

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/NJ4KU6M5UY3X5FAT2UA3MMHXVT \
  | 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: 6a78aa799da6377e9413d501b630f7acefa1f7c5bc13fb2f73038b587b227656

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe7e999f9030d13a8d7b4ed70b352f1baca4f457a705f0cc21ad972659a6433c",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-04-28T01:54:53Z",
    "title_canon_sha256": "47e57970913439c03e1abef2946fc03f0a7dd2c8a7cd0926714fc0a984774452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13250",
    "kind": "arxiv",
    "version": 1
  }
}