Pith Number

pith:URQ3BOI5

pith:2014:URQ3BOI5QYWBBZOOBY4B2D2W2M

not attested not anchored not stored refs pending

On superconducting niobium accelerating cavities fired under N2-gas exposure

Daniel Gonnella, Georg Hoffstaetter, Matthias Liepe, Ralf Eichhorn, Wolfgang Weingarten

arxiv:1407.3220 v4 · 2014-07-11 · 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{URQ3BOI5QYWBBZOOBY4B2D2W2M}

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	2026-05-18T02:00:58.978833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a461b0b91d862c10e5ce0e381d0f56d325866d99e8f39b162a7c40e840fcd995

Aliases

arxiv: 1407.3220 · arxiv_version: 1407.3220v4 · doi: 10.48550/arxiv.1407.3220 · pith_short_12: URQ3BOI5QYWB · pith_short_16: URQ3BOI5QYWBBZOO · pith_short_8: URQ3BOI5

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/URQ3BOI5QYWBBZOOBY4B2D2W2M \
  | 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: a461b0b91d862c10e5ce0e381d0f56d325866d99e8f39b162a7c40e840fcd995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2f2b81282cc8f2ec00cd532a0c8703b70b2868c49242f5122a444ca8755a409",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2014-07-11T17:05:16Z",
    "title_canon_sha256": "c0328dc513a81bc136cc61704919ab61e2f1e7f8707a42ab3a74650b36a0de1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3220",
    "kind": "arxiv",
    "version": 4
  }
}