Pith Number

pith:U6QOYYQ4

pith:2021:U6QOYYQ4DV4WPDFY7HA3RKTHYA

not attested not anchored not stored refs pending

Nuclear masses in extended kernel ridge regression with odd-even effects

L. H. Guo, P. W. Zhao, X. H. Wu

arxiv:2105.10634 v1 · 2021-05-22 · 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{U6QOYYQ4DV4WPDFY7HA3RKTHYA}

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	2026-07-05T02:45:38.325522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7a0ec621c1d79678cb8f9c1b8aa67c00137402725f1a2d7dde86f8a496c0e8e

Aliases

arxiv: 2105.10634 · arxiv_version: 2105.10634v1 · doi: 10.48550/arxiv.2105.10634 · pith_short_12: U6QOYYQ4DV4W · pith_short_16: U6QOYYQ4DV4WPDFY · pith_short_8: U6QOYYQ4

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/U6QOYYQ4DV4WPDFY7HA3RKTHYA \
  | 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: a7a0ec621c1d79678cb8f9c1b8aa67c00137402725f1a2d7dde86f8a496c0e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a477e4179424b8a0a49d12e981a7bd52497d81cce0686d6e8eea6de8343f8c",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2021-05-22T03:51:24Z",
    "title_canon_sha256": "cd454e18e27dc6d756c81de34101ace0fda64daa5a5bccf778bcccf284d2b8d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10634",
    "kind": "arxiv",
    "version": 1
  }
}