Pith Number

pith:D4ZVM5HM

pith:2019:D4ZVM5HMS3MQV4R7YNPGVG3TSB

not attested not anchored not stored refs pending

Neutron skins as laboratory constraints on properties of neutron stars and on what we can learn from heavy ion fragmentation reactions

C.A. Bertulani, J. Valencia

arxiv:1904.01078 v2 · 2019-04-01 · 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{D4ZVM5HMS3MQV4R7YNPGVG3TSB}

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	2026-05-17T23:39:44.433775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f335674ec96d90af23fc35e6a9b739044916e5446a52d9c72af17e2ef1258b9

Aliases

arxiv: 1904.01078 · arxiv_version: 1904.01078v2 · doi: 10.48550/arxiv.1904.01078 · pith_short_12: D4ZVM5HMS3MQ · pith_short_16: D4ZVM5HMS3MQV4R7 · pith_short_8: D4ZVM5HM

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/D4ZVM5HMS3MQV4R7YNPGVG3TSB \
  | 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: 1f335674ec96d90af23fc35e6a9b739044916e5446a52d9c72af17e2ef1258b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96fa3f253429a69e67b9440433d309a23f1c09f8b5842e32a83ea29a2f926e5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2019-04-01T19:32:08Z",
    "title_canon_sha256": "a518d3b00a67d73f583eb60dd4f8b8ac8f817df1b29759f0bd7d954bd56d9045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01078",
    "kind": "arxiv",
    "version": 2
  }
}