Pith Number

pith:IOPCORUG

pith:2021:IOPCORUGMTD2TLCN4ET4SVQTLU

not attested not anchored not stored refs pending

Neutron skin thickness of $^{208}$Pb, $^{116,120,124}$Sn, and $^{40}$Ca determined from reaction cross sections of $^{4}$He scattering

Masanobu Yahiro, Masayuki Matsuzaki, Shingo Tagami

arxiv:2107.06441 v2 · 2021-07-14 · 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{IOPCORUGMTD2TLCN4ET4SVQTLU}

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	2026-07-05T03:42:44.236508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

439e27468664c7a9ac4de127c956135d32c5db639b65a7b09230083827e34caf

Aliases

arxiv: 2107.06441 · arxiv_version: 2107.06441v2 · doi: 10.48550/arxiv.2107.06441 · pith_short_12: IOPCORUGMTD2 · pith_short_16: IOPCORUGMTD2TLCN · pith_short_8: IOPCORUG

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/IOPCORUGMTD2TLCN4ET4SVQTLU \
  | 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: 439e27468664c7a9ac4de127c956135d32c5db639b65a7b09230083827e34caf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d9bde7652c6b0ddb4fd1c55f182aa116fc3b61be37c99a894ecd3aef77deef1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2021-07-14T01:10:35Z",
    "title_canon_sha256": "6c076a109cb6c72a42857131580092f3b6b97534b3e7ff5f6b945bd7823f2583"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06441",
    "kind": "arxiv",
    "version": 2
  }
}