Pith Number

pith:RTX3JKAD

pith:2026:RTX3JKADQLYZ7JTLC5UHDSQ73S

not attested not anchored not stored refs pending

NESSA: a compact 14 MeV D-T neutron source facility at Uppsala University

Andreas Lindner, Elias Arnqvist, Erik Andersson Sund\'en, G\"oran Ericsson, Linus H\"agg, Mattias Lantz, Sandipan Dawn, Stefan Jarl-Holm, Stephan Pomp

arxiv:2605.18929 v1 · 2026-05-18 · physics.ins-det · nucl-ex · physics.acc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RTX3JKADQLYZ7JTLC5UHDSQ73S}

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	2026-05-20T00:06:36.555459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cefb4a80382f19fa66b176871ca1fdcb8cb8a2fc3ac52c6a8ecb58bda6b5b0e

Aliases

arxiv: 2605.18929 · arxiv_version: 2605.18929v1 · doi: 10.48550/arxiv.2605.18929 · pith_short_12: RTX3JKADQLYZ · pith_short_16: RTX3JKADQLYZ7JTL · pith_short_8: RTX3JKAD

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/RTX3JKADQLYZ7JTLC5UHDSQ73S \
  | 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: 8cefb4a80382f19fa66b176871ca1fdcb8cb8a2fc3ac52c6a8ecb58bda6b5b0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58264646ce81ff98549b107b2c4afb99970c25a824507de5a380150a7672582e",
    "cross_cats_sorted": [
      "nucl-ex",
      "physics.acc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2026-05-18T13:48:51Z",
    "title_canon_sha256": "5ed2ce66bd55b8e453252ea41a2fcfa352682ddf651c18cb76f1d0a9582a2886"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18929",
    "kind": "arxiv",
    "version": 1
  }
}