Pith Number

pith:2KYC3IAA

pith:2025:2KYC3IAAFQGLZDRKA4LSPP4FUT

not attested not anchored not stored refs pending

FCC-ee positron source from conventional to crystal-based

Alberto Orso Maria Iorio, Alexei Sytov, Andrea Mazzolari, Daniele Boccanfuso, Fahad Alharthi, Ginafranco Patern\`o, Iryna Chaikovska, Laura Bandiera, Lorenzo Malagutti, Marco Romagnoni, Mattia Soldani, Nicola Canale, Riccardo Negrello, Robert Chehab, Susanna Bertelli, Viktor Mytrochenko, Vincenzo Guidi, Yongke Zhao, Yuting Wang

arxiv:2502.06481 v1 · 2025-02-10 · 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{2KYC3IAAFQGLZDRKA4LSPP4FUT}

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	2026-07-05T10:12:07.120910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b02da0002c0cbc8e2a071727bf85a4c9c214577bb2d0bc73cf7248c1455cd0

Aliases

arxiv: 2502.06481 · arxiv_version: 2502.06481v1 · doi: 10.48550/arxiv.2502.06481 · pith_short_12: 2KYC3IAAFQGL · pith_short_16: 2KYC3IAAFQGLZDRK · pith_short_8: 2KYC3IAA

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/2KYC3IAAFQGLZDRKA4LSPP4FUT \
  | 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: d2b02da0002c0cbc8e2a071727bf85a4c9c214577bb2d0bc73cf7248c1455cd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bae754c308daccdefbfe8864a448e9637f48ccf996cc808020fb005d95236d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2025-02-10T13:59:33Z",
    "title_canon_sha256": "2aa6540a35f9b4d54be843b7937f27a9d01bbd9cf215d569c7f8220a2b32c7e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06481",
    "kind": "arxiv",
    "version": 1
  }
}