Pith Number

pith:KNEGEYXK

pith:2022:KNEGEYXKAM7QW724IPSUOZABG2

not attested not anchored not stored refs pending

Key directions for research and development of superconducting radio frequency cavities

A. Burrill, A. Cano, A. Grassellino, A. Gurevich, A.-M. Valente-Feliciano, A. Nassiri, A. Netepenko, A. Romanenko, A. Yamamoto, B. Giaccone, C.E. Reece, C. Pagani, D. Bafia, D. Gonnella, D.N. Seidman, D. Reschke, F. Furuta, F. Gerigk, G. Ciovati, G. Dalla Lana Semione, G. Eremeev, G. Wu, H. Padamsee, H. Weise, J. Delayen, J. Knobloch, J. Sauls, J. Zasadzinski, K. Saito, K. Umemori, L.D. Cooley, M. Bertucci, M. Checchin, M. Iavarone, M. Liepe, M. Martinello, M. Ross, M. Wenskat, N. Solyak, N. Walker, O.S. Melnychuk, P.J. Lee, R. Laxdal, R. Paparella, S. Balachandran, S. Belomestnykh, S. Posen, T. Kubo, U. Pudasaini, U. Welp, V. Yakovlev, W. Hillert, W.K. Kwok, W. Venturini Delsolaro, X.X. Xi, Z. Sung

arxiv:2204.01178 v2 · 2022-04-03 · 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{KNEGEYXKAM7QW724IPSUOZABG2}

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	2026-07-05T04:50:15.920355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53486262ea033f0b7f5c43e5476401368ae4cc6a434826243c27dcaf29318e51

Aliases

arxiv: 2204.01178 · arxiv_version: 2204.01178v2 · doi: 10.48550/arxiv.2204.01178 · pith_short_12: KNEGEYXKAM7Q · pith_short_16: KNEGEYXKAM7QW724 · pith_short_8: KNEGEYXK

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/KNEGEYXKAM7QW724IPSUOZABG2 \
  | 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: 53486262ea033f0b7f5c43e5476401368ae4cc6a434826243c27dcaf29318e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88571cf975c6d5a04d8f269d9bf1af4c70f895d07edad54f0de5e926352c8bc7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2022-04-03T23:01:57Z",
    "title_canon_sha256": "93381903b12e2fb53afe06075b86f48dc739eaaa74f8299a71fd1c5b5b2c3b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01178",
    "kind": "arxiv",
    "version": 2
  }
}