Pith Number

pith:7PGM5JFO

pith:2024:7PGM5JFOK4YPPU5445322KTWNX

not attested not anchored not stored refs pending

Nuclear charge radius predictions by kernel ridge regression with odd-even effects

Lu Tang, Zhen-Hua Zhang

arxiv:2404.12609 v1 · 2024-04-19 · nucl-th · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PGM5JFOK4YPPU5445322KTWNX}

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.

Cited by

1 paper in Pith

Machine learning the impact parameter in heavy-ion collisions at $\sqrt{s_{\rm NN}}$ = 4 and 11 GeV: a cross-check study with UrQMD, AMPT, and JAM

Receipt and verification

First computed	2026-07-05T08:09:56.141943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbcccea4ae5730f7d3bce777ad2a766dc25d62b92519880488edf97e2d8ae609

Aliases

arxiv: 2404.12609 · arxiv_version: 2404.12609v1 · doi: 10.48550/arxiv.2404.12609 · pith_short_12: 7PGM5JFOK4YP · pith_short_16: 7PGM5JFOK4YPPU54 · pith_short_8: 7PGM5JFO

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/7PGM5JFOK4YPPU5445322KTWNX \
  | 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: fbcccea4ae5730f7d3bce777ad2a766dc25d62b92519880488edf97e2d8ae609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ed5cf2cf0e0a48d0ec89ea3bef3c8df95eef46094fa464a4d141bf69daf938e",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2024-04-19T03:43:45Z",
    "title_canon_sha256": "02eb09aedc7c29b6621d3692f6a08175552283265b5ec9cfe2c04fc884cede7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.12609",
    "kind": "arxiv",
    "version": 1
  }
}