Pith Number

pith:XOCOPRYK

pith:2020:XOCOPRYKQCUHQRNKIT6HWUR26L

not attested not anchored not stored refs pending

First glimpse of the $N=82$ shell closure below $Z=50$ from masses of neutron-rich cadmium isotopes and isomers

A. Herlert, A. Schwenk, A. Welker, D. Atanasov, D. Lunney, D. Neidherr, F. Wienholtz, J. D. Holt, J. Karthein, J. Men\'endez, J. Simonis, K. Blaum, K. Zuber, L. Schweikhard, M. Bender, M. Mougeot, S. Eliseev, T. E. Cocolios, V. Manea, W. J. Huang, Yu. A. Litvinov

arxiv:2001.05075 v2 · 2020-01-14 · nucl-ex · 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{XOCOPRYKQCUHQRNKIT6HWUR26L}

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	2026-07-05T00:48:02.163988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb84e7c70a80a87845aa44fc7b523af2cdd850b03ad3f607d7d2ce93ff318ec5

Aliases

arxiv: 2001.05075 · arxiv_version: 2001.05075v2 · doi: 10.48550/arxiv.2001.05075 · pith_short_12: XOCOPRYKQCUH · pith_short_16: XOCOPRYKQCUHQRNK · pith_short_8: XOCOPRYK

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/XOCOPRYKQCUHQRNKIT6HWUR26L \
  | 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: bb84e7c70a80a87845aa44fc7b523af2cdd850b03ad3f607d7d2ce93ff318ec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd0f21d2185e6e143b1d0f591cea0fa7104c1179b30f5b1a9ffe5584a4d6d0ee",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2020-01-14T22:54:28Z",
    "title_canon_sha256": "8f2cd6553ca2d9d718cccb929bb902105d2d943d46287c16edbe6fd4e8db990c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.05075",
    "kind": "arxiv",
    "version": 2
  }
}