Pith Number

pith:DUAMBV5R

pith:2026:DUAMBV5RFKIZQYFARP4WI34TMF

not attested not anchored not stored refs pending

HydroAgent: Closing the Gap Between Frontier LLMs and Human Experts in Hydrologic Model Calibration via Simulator-Grounded RL

Anjiang Wei, Jie Cao, Jinwoong Yoo, Mofan Zhang, Songkun Yan, Yang Hong, Zhi Li

arxiv:2605.17792 v1 · 2026-05-18 · cs.LG · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUAMBV5RFKIZQYFARP4WI34TMF}

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	2026-05-20T00:04:58.571991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d00c0d7b12a919860a08bf9646f936149e677b0e16834bc4f4fe71c124fca2b

Aliases

arxiv: 2605.17792 · arxiv_version: 2605.17792v1 · doi: 10.48550/arxiv.2605.17792 · pith_short_12: DUAMBV5RFKIZ · pith_short_16: DUAMBV5RFKIZQYFA · pith_short_8: DUAMBV5R

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/DUAMBV5RFKIZQYFARP4WI34TMF \
  | 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: 1d00c0d7b12a919860a08bf9646f936149e677b0e16834bc4f4fe71c124fca2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c954b39e3ea6e418c82c7f5e57159801e0b4ba64b36225fb5f5faa4004aefa4",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-18T03:17:38Z",
    "title_canon_sha256": "06ce0bc46a6ed7a94eae381fed666aa5554653db0a993b150ea25585538e4934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17792",
    "kind": "arxiv",
    "version": 1
  }
}