Pith Number

pith:7ER3CP7R

pith:2026:7ER3CP7RBR5X64VSIO7QNKV37R

not attested not anchored not stored refs pending

NestyNet. I. Physics Functions Are Hard to Fit with Neural Networks: A Framework for Accurate Surrogates and Analytic Derivatives

Anirudh Shankar, Foivos Diakogiannis, Neil Ibata, Rodrigo Ibata, Wassim Tenachi

arxiv:2608.05862 v1 · 2026-08-06 · astro-ph.IM · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ER3CP7RBR5X64VSIO7QNKV37R}

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	2026-08-07T00:53:09.817207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f923b13ff10c7b7f72b243bf06aabbfc4712a7027609b2ff402afb4fdbfc5730

Aliases

arxiv: 2608.05862 · arxiv_version: 2608.05862v1 · doi: 10.48550/arxiv.2608.05862 · pith_short_12: 7ER3CP7RBR5X · pith_short_16: 7ER3CP7RBR5X64VS · pith_short_8: 7ER3CP7R

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/7ER3CP7RBR5X64VSIO7QNKV37R \
  | 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: f923b13ff10c7b7f72b243bf06aabbfc4712a7027609b2ff402afb4fdbfc5730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ee29f9867407dfe68a346088e21e542a43594cfe09d2ae27ab6ad88b72a9ad0",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-08-06T10:41:20Z",
    "title_canon_sha256": "c1489c6cb23f3df6dd3d91d125ce929204a3200a8ce09924796070aad94ee60d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05862",
    "kind": "arxiv",
    "version": 1
  }
}