Pith Number

pith:3J525IU2

pith:2026:3J525IU2WG7ORU6FZVMNWTUSOT

not attested not anchored not stored refs pending

Flow Matching Policy Optimization with Mirror Descent and Entropy Constraints

Elvin Isufi, Nan Lin, Serge Hoogendoorn, Stavros Orfanoudakis, Ting Gao, Winnie Daamen

arxiv:2603.17685 v3 · 2026-03-18 · 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{3J525IU2WG7ORU6FZVMNWTUSOT}

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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.

Cited by

1 paper in Pith

When Policy Entropy Constraint Fails: Preserving Diversity in Flow-based RLHF via Perceptual Entropy

Receipt and verification

First computed	2026-05-27T01:05:46.969098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da7baea29ab1bee8d3c5cd58db4e9274fe9bda2cd067e8eb384c68cf9e6b4e24

Aliases

arxiv: 2603.17685 · arxiv_version: 2603.17685v3 · doi: 10.48550/arxiv.2603.17685 · pith_short_12: 3J525IU2WG7O · pith_short_16: 3J525IU2WG7ORU6F · pith_short_8: 3J525IU2

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/3J525IU2WG7ORU6FZVMNWTUSOT \
  | 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: da7baea29ab1bee8d3c5cd58db4e9274fe9bda2cd067e8eb384c68cf9e6b4e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0abaf1dfbea88eab91d9110eff16d46c8bd153eb10c97e8e1ba0c20492d9d859",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-18T13:00:20Z",
    "title_canon_sha256": "a3067107296ff065b2860aaee2bf3a3f1c64d86ead6525086c6ee26ae97cde23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.17685",
    "kind": "arxiv",
    "version": 3
  }
}