Pith Number

pith:PWQHQVKI

pith:2021:PWQHQVKILJ3CLCV4S7PHANVS3M

not attested not anchored not stored refs pending

Replay-Guided Adversarial Environment Design

Edward Grefenstette, Jack Parker-Holder, Jakob Foerster, Michael Dennis, Minqi Jiang, Tim Rockt\"aschel

arxiv:2110.02439 v2 · 2021-10-06 · cs.LG · 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{PWQHQVKILJ3CLCV4S7PHANVS3M}

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	2026-07-05T03:48:19.857596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da07855485a76258abc97de7036b2db11651f3c209ccd0f528a31361eabe16f

Aliases

arxiv: 2110.02439 · arxiv_version: 2110.02439v2 · doi: 10.48550/arxiv.2110.02439 · pith_short_12: PWQHQVKILJ3C · pith_short_16: PWQHQVKILJ3CLCV4 · pith_short_8: PWQHQVKI

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/PWQHQVKILJ3CLCV4S7PHANVS3M \
  | 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: 7da07855485a76258abc97de7036b2db11651f3c209ccd0f528a31361eabe16f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22ac7d5501dae54b464fe74d89b0da56b3aa598561c8e9c8bedfb23d83a5beda",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-06T01:01:39Z",
    "title_canon_sha256": "03df99a6a68c66a4e198f4bc752bf8a2c97cb1c4cdbf12c22036a431b73c53e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02439",
    "kind": "arxiv",
    "version": 2
  }
}