Pith Number

pith:NRCHVKKX

pith:2013:NRCHVKKXU7EFC3WC267W6UGPXC

not attested not anchored not stored refs pending

Strong Meissner screening change in superconducting radio frequency cavities due to mild baking

A. Grassellino, A. Romanenko, A. Suter, F. Barkov, T. Prokscha, Z. Salman

arxiv:1311.7153 v1 · 2013-11-27 · cond-mat.supr-con · 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{NRCHVKKXU7EFC3WC267W6UGPXC}

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	2026-05-18T02:57:17.202305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c447aa957a7c8516ec2d7bf6f50cfb8b31e1ae25d7e5bb2c9450dc0976cdc0e

Aliases

arxiv: 1311.7153 · arxiv_version: 1311.7153v1 · doi: 10.48550/arxiv.1311.7153 · pith_short_12: NRCHVKKXU7EF · pith_short_16: NRCHVKKXU7EFC3WC · pith_short_8: NRCHVKKX

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/NRCHVKKXU7EFC3WC267W6UGPXC \
  | 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: 6c447aa957a7c8516ec2d7bf6f50cfb8b31e1ae25d7e5bb2c9450dc0976cdc0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e6dd588cea65e29f5f8649a4b7644c1ed7a216c4d85dfcf93d3f64e84475050",
    "cross_cats_sorted": [
      "physics.acc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-11-27T21:02:20Z",
    "title_canon_sha256": "45e74bf36ce7ee1e6dc9901cfacbdb4038698cd5cad592a834cea37720398a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7153",
    "kind": "arxiv",
    "version": 1
  }
}