Pith Number

pith:IKIY3BAR

pith:2013:IKIY3BARH4MZL7MUO4PYUU7AS3

not attested not anchored not stored refs pending

Extinction of the N=20 neutron-shell closure for 32Mg examined by direct mass measurements

A.A. Kwiatkowski, A. Chaudhuri, A. Lennarz, A.T. Gallant, B.E. Schultz, C. Andreoiu, D. Lunney, G. Gwinner, J. Dilling, M.C. Simon, S. Ettenauer, T. Brunner, T.D. Macdonald, U. Chowdhury, V.V. Simon

arxiv:1310.2344 v1 · 2013-10-09 · 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{IKIY3BARH4MZL7MUO4PYUU7AS3}

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	2026-05-18T03:06:54.279874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42918d84113f1995fd94771f8a53e096ed438390dc76d3deb4be2b88057a1820

Aliases

arxiv: 1310.2344 · arxiv_version: 1310.2344v1 · doi: 10.48550/arxiv.1310.2344 · pith_short_12: IKIY3BARH4MZ · pith_short_16: IKIY3BARH4MZL7MU · pith_short_8: IKIY3BAR

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/IKIY3BARH4MZL7MUO4PYUU7AS3 \
  | 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: 42918d84113f1995fd94771f8a53e096ed438390dc76d3deb4be2b88057a1820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a4b528e9b32f232cd1575ae5763dfdfb13fbac7ad8a984c3cef45645bf23038",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2013-10-09T04:54:05Z",
    "title_canon_sha256": "af3e71e625afc0c0c5a5e24be8f23a38b36917a05370c8ee60a5fe35f7401a82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2344",
    "kind": "arxiv",
    "version": 1
  }
}