Pith Number

pith:FIRGSAKX

pith:2025:FIRGSAKX4VVSGSBZMTYC2EUYEB

not attested not anchored not stored refs pending

HIPED: Machine Learning Framework for Spherical Tokamak Pedestal Prediction and Optimization

C. Bowman, C. J. Fitzpatrick, J.F. Parisi, J. G. Clark, J. W. Berkery, M. Lampert, S. M. Kaye

arxiv:2504.19861 v1 · 2025-04-28 · physics.plasm-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{FIRGSAKX4VVSGSBZMTYC2EUYEB}

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	2026-07-05T10:55:04.839233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a22690157e56b23483964f02d12982048acc16dce786fbce02ad08a75968d72

Aliases

arxiv: 2504.19861 · arxiv_version: 2504.19861v1 · doi: 10.48550/arxiv.2504.19861 · pith_short_12: FIRGSAKX4VVS · pith_short_16: FIRGSAKX4VVSGSBZ · pith_short_8: FIRGSAKX

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/FIRGSAKX4VVSGSBZMTYC2EUYEB \
  | 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: 2a22690157e56b23483964f02d12982048acc16dce786fbce02ad08a75968d72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f56bda33e2e124bd57799f51d58f96da8d4341473efa404f259665ffe832a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2025-04-28T14:51:55Z",
    "title_canon_sha256": "c231b2f91474dc91b89adb3252fb5b62b927b3020ffc8d7c5847cfcda3783c9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19861",
    "kind": "arxiv",
    "version": 1
  }
}