Pith Number

pith:G43MBH4X

pith:2026:G43MBH4XHA4ZUYTICBGGRQXCCE

not attested not anchored not stored refs pending

Zero Collapse: A Failure Mode of Policy Gradient Methods in Discontinuous Reward Environments

Amy Greenwald, Enrique Areyan Viqueira, Nishant Kumar

arxiv:2605.30896 v1 · 2026-05-29 · 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{G43MBH4XHA4ZUYTICBGGRQXCCE}

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	2026-06-01T01:03:23.832569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3736c09f9738399a6268104c68c2e2111ac2725976b63ad131dbbbd6f7be50e6

Aliases

arxiv: 2605.30896 · arxiv_version: 2605.30896v1 · doi: 10.48550/arxiv.2605.30896 · pith_short_12: G43MBH4XHA4Z · pith_short_16: G43MBH4XHA4ZUYTI · pith_short_8: G43MBH4X

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/G43MBH4XHA4ZUYTICBGGRQXCCE \
  | 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: 3736c09f9738399a6268104c68c2e2111ac2725976b63ad131dbbbd6f7be50e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89e189e55c86e261f5ce19e61e6393eb2dd20a440b5cbc47ac93a711b023bb50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-29T06:29:26Z",
    "title_canon_sha256": "e50bfd96d5dfafdd4d0972fc436c83ba6f0bce78583f068520620246b2259627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30896",
    "kind": "arxiv",
    "version": 1
  }
}