Pith Number

pith:7ICAFK63

pith:2019:7ICAFK63EWWJGY7WAA3IHTNHAN

not attested not anchored not stored refs pending

Irregularities in nuclear radii at magic numbers

H. Nakada

arxiv:1906.08929 v2 · 2019-06-21 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ICAFK63EWWJGY7WAA3IHTNHAN}

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	2026-07-05T00:13:48.734350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa0402abdb25ac9363f6003683cda70361527485e185139e8d7dd014b7ca3965

Aliases

arxiv: 1906.08929 · arxiv_version: 1906.08929v2 · doi: 10.48550/arxiv.1906.08929 · pith_short_12: 7ICAFK63EWWJ · pith_short_16: 7ICAFK63EWWJGY7W · pith_short_8: 7ICAFK63

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/7ICAFK63EWWJGY7WAA3IHTNHAN \
  | 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: fa0402abdb25ac9363f6003683cda70361527485e185139e8d7dd014b7ca3965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2d78f398ccf287b3356377acaad6135c3f0fa806cc0a3818f5d3631574bb7ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2019-06-21T03:12:01Z",
    "title_canon_sha256": "1fd096c6a4082905ee9bad4450a59482c701f2dc6b7debef81041eed6608146a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08929",
    "kind": "arxiv",
    "version": 2
  }
}