Pith Number

pith:WR2O7XDA

pith:2015:WR2O7XDAJ6F2DHNF7C7TYZ2I6P

not attested not anchored not stored refs pending

Efficient expulsion of magnetic flux in superconducting RF cavities for high $Q_0$ applications

A. C. Crawford, A. Grassellino, A. Romanenko, D. A. Sergatskov, M. Checchin, M. Martinello, O. Melnychuk, S. Posen

arxiv:1509.03957 v3 · 2015-09-14 · 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{WR2O7XDAJ6F2DHNF7C7TYZ2I6P}

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	2026-05-18T01:12:25.197250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b474efdc604f8ba19da5f8bf3c6748f3f5a9547bebbebf5c3191bf78965a7f27

Aliases

arxiv: 1509.03957 · arxiv_version: 1509.03957v3 · doi: 10.48550/arxiv.1509.03957 · pith_short_12: WR2O7XDAJ6F2 · pith_short_16: WR2O7XDAJ6F2DHNF · pith_short_8: WR2O7XDA

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/WR2O7XDAJ6F2DHNF7C7TYZ2I6P \
  | 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: b474efdc604f8ba19da5f8bf3c6748f3f5a9547bebbebf5c3191bf78965a7f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "038b6c11df7e8cf2c20580f11545730cd8931c39d5d7906edf30eff2c32b96e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2015-09-14T05:35:40Z",
    "title_canon_sha256": "3b98bc56d94c2106d77e0a07f99f0dd245a05627b23d64afd0016ed2dd70b559"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03957",
    "kind": "arxiv",
    "version": 3
  }
}