Pith Number

pith:QHQZWRNY

pith:2022:QHQZWRNYZX6Q4ESAHFC3TWFSBP

not attested not anchored not stored refs pending

The Geometry of Robust Value Functions

Bryan Hooi, Jiashi Feng, Kaixin Wang, Kuangqi Zhou, Navdeep Kumar, Shie Mannor

arxiv:2201.12929 v2 · 2022-01-30 · 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{QHQZWRNYZX6Q4ESAHFC3TWFSBP}

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	2026-07-05T04:47:40.272083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e19b45b8cdfd0e12403945b9d8b20bf4029943da9205c7d860ddfd4efed5a3

Aliases

arxiv: 2201.12929 · arxiv_version: 2201.12929v2 · doi: 10.48550/arxiv.2201.12929 · pith_short_12: QHQZWRNYZX6Q · pith_short_16: QHQZWRNYZX6Q4ESA · pith_short_8: QHQZWRNY

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/QHQZWRNYZX6Q4ESAHFC3TWFSBP \
  | 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: 81e19b45b8cdfd0e12403945b9d8b20bf4029943da9205c7d860ddfd4efed5a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f671b82dcb2c9ad49ea5d4dd2440f9ac0b4f02dd6fe1a4d4d3af8db80d91e0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-30T22:12:17Z",
    "title_canon_sha256": "fa77b76f92d233c775ceecf8e76d1313dfe8396d2e421ca81776ebf73c4553ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12929",
    "kind": "arxiv",
    "version": 2
  }
}