Pith Number

pith:IZUIAPNH

pith:2026:IZUIAPNHDUBI2JLG2LJCRUE25H

not attested not anchored not stored refs pending

Efficiently Solving Mixed-Hierarchy Games with Quasi-Policy Approximations

Christian Ellis, David Fridovich-Keil, Dong Ho Lee, Hamzah Khan, Jesse Milzman, Jingqi Li, Tianyu Qiu, Wesley Suttle

arxiv:2602.01568 v2 · 2026-02-02 · cs.GT · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZUIAPNHDUBI2JLG2LJCRUE25H}

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	2026-05-20T00:00:33.168340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4668803da71d028d2566d2d228d09ae9f29fee67382d7f0a1923a89fa7468ec0

Aliases

arxiv: 2602.01568 · arxiv_version: 2602.01568v2 · doi: 10.48550/arxiv.2602.01568 · pith_short_12: IZUIAPNHDUBI · pith_short_16: IZUIAPNHDUBI2JLG · pith_short_8: IZUIAPNH

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/IZUIAPNHDUBI2JLG2LJCRUE25H \
  | 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: 4668803da71d028d2566d2d228d09ae9f29fee67382d7f0a1923a89fa7468ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71411a20130e7ecfdc5231146fe7cf1c174c6e1e4da04a4375406c4adb0ca212",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2026-02-02T03:03:29Z",
    "title_canon_sha256": "1d5a21fb6a3db479a4ef88410d68bad3822d517b60ec1c36761d2a4645654183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.01568",
    "kind": "arxiv",
    "version": 2
  }
}