Pith Number

pith:GY6Q5T77

pith:2011:GY6Q5T77YFYNOYNXF4CXEB7FC5

not attested not anchored not stored refs pending

First direct mass-measurement of the two-neutron halo nucleus 6He and improved mass for the four-neutron halo 8He

A. Lapierre, A. Schwenk, C. Champagne, D. Lunney, G. W. F. Drake, J. Dilling, M. Brodeur, M. J. Smith, P. Delheij, R. Ringle, S. Bacca, S. Ettenauer, T. Brunner, V. L. Ryjkov

arxiv:1107.1684 v4 · 2011-07-08 · 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{GY6Q5T77YFYNOYNXF4CXEB7FC5}

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	2026-05-18T02:01:21.166572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

363d0ecfffc170d761b72f057207e51773b812d10401ca2009ff2f1f558fa0e7

Aliases

arxiv: 1107.1684 · arxiv_version: 1107.1684v4 · doi: 10.48550/arxiv.1107.1684 · pith_short_12: GY6Q5T77YFYN · pith_short_16: GY6Q5T77YFYNOYNX · pith_short_8: GY6Q5T77

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/GY6Q5T77YFYNOYNXF4CXEB7FC5 \
  | 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: 363d0ecfffc170d761b72f057207e51773b812d10401ca2009ff2f1f558fa0e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ae54ab0702cfb7a314dc5dce52d1b77b61650107f360edf186b87accec7c334",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2011-07-08T17:58:12Z",
    "title_canon_sha256": "96870ac42ffe6fb1e7f562d24c420e558023b29f0bd4c42863a234b5577b76c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1684",
    "kind": "arxiv",
    "version": 4
  }
}