Pith Number

pith:4OBAY5QK

pith:2013:4OBAY5QKKJJ5MEE3U42JAHYNQL

not attested not anchored not stored refs pending

New Method to Improve the Accelerating Gradient of Superconducting Cavity

Jie Gao, Zhenchao Liu

arxiv:1308.3538 v1 · 2013-08-16 · 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{4OBAY5QKKJJ5MEE3U42JAHYNQL}

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	2026-05-18T03:15:44.637733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3820c760a5253d6109ba734901f0d82e51017f074567b580cce7cac729fbdf3

Aliases

arxiv: 1308.3538 · arxiv_version: 1308.3538v1 · doi: 10.48550/arxiv.1308.3538 · pith_short_12: 4OBAY5QKKJJ5 · pith_short_16: 4OBAY5QKKJJ5MEE3 · pith_short_8: 4OBAY5QK

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/4OBAY5QKKJJ5MEE3U42JAHYNQL \
  | 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: e3820c760a5253d6109ba734901f0d82e51017f074567b580cce7cac729fbdf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f95727d9266fd6d1e78704d043ba6bb5e66d6cca638c09b983c12c73c4877956",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2013-08-16T02:39:30Z",
    "title_canon_sha256": "78ff14ba69812665654a702a8dd0db15fd5b365e3c1e4970d77038ce51df6805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3538",
    "kind": "arxiv",
    "version": 1
  }
}