Pith Number

pith:UBNSL3SP

pith:2012:UBNSL3SPT5WGVNJGBDZVV2HTB7

not attested not anchored not stored refs pending

Evolution of shell structure in neutron-rich calcium isotopes

G. Hagen, G. R. Jansen, M. Hjorth-Jensen, R. Machleidt, T. Papenbrock

arxiv:1204.3612 v2 · 2012-04-16 · 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{UBNSL3SPT5WGVNJGBDZVV2HTB7}

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	2026-05-18T03:50:48.355707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05b25ee4f9f6c6ab52608f35ae8f30fcb669800986c12a4880732aea539fd6b

Aliases

arxiv: 1204.3612 · arxiv_version: 1204.3612v2 · doi: 10.48550/arxiv.1204.3612 · pith_short_12: UBNSL3SPT5WG · pith_short_16: UBNSL3SPT5WGVNJG · pith_short_8: UBNSL3SP

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/UBNSL3SPT5WGVNJGBDZVV2HTB7 \
  | 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: a05b25ee4f9f6c6ab52608f35ae8f30fcb669800986c12a4880732aea539fd6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f2169e95b029b0ffd609ef8666c2972de871bf9bb1c47979b185eaf754a0d43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2012-04-16T19:41:50Z",
    "title_canon_sha256": "88b37f3da62dcdc9d6bcb89b1add828de5aec5b31322bedca5aa82af3b300d6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3612",
    "kind": "arxiv",
    "version": 2
  }
}