Pith Number

pith:UYMK7NAI

pith:2025:UYMK7NAIJ7CNNKEA6TR4KQFKIE

not attested not anchored not stored refs pending

Improved Dimensionality Reduction for Inverse Problems in Nuclear Fusion and High-Energy Astrophysics

Ammar Hakim, Hong Qin, Jonathan Gorard, Kyle Parfrey, Shantenu Jha

arxiv:2505.03849 v1 · 2025-05-05 · cs.LG · astro-ph.IM · nucl-th · physics.comp-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{UYMK7NAIJ7CNNKEA6TR4KQFKIE}

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	2026-07-05T11:00:08.571772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a618afb4084fc4d6a880f4e3c540aa412c177a3b6e41c795edcb93511830633d

Aliases

arxiv: 2505.03849 · arxiv_version: 2505.03849v1 · doi: 10.48550/arxiv.2505.03849 · pith_short_12: UYMK7NAIJ7CN · pith_short_16: UYMK7NAIJ7CNNKEA · pith_short_8: UYMK7NAI

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/UYMK7NAIJ7CNNKEA6TR4KQFKIE \
  | 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: a618afb4084fc4d6a880f4e3c540aa412c177a3b6e41c795edcb93511830633d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bef05949481efa6b13b8b668e15e39ac9041143138eed2c0dfa4897243b88191",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "nucl-th",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-05T20:34:12Z",
    "title_canon_sha256": "f9cb2874f3a8ee8121f99f212b0604e524bcd8318affb0c94dabe751e796b7a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.03849",
    "kind": "arxiv",
    "version": 1
  }
}