Pith Number

pith:4RF3PODH

pith:2019:4RF3PODHNP7DJB5YLRSC2EZYC5

not attested not anchored not stored refs pending

A Case for Superconducting Accelerators

Douglas M. Carmean, Michael L. Lewis, Moinuddin K. Qureshi, Poulami Das, Robert Krick, Swamit S. Tannu

arxiv:1902.04641 v2 · 2019-02-12 · cs.AR · cs.ET

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RF3PODHNP7DJB5YLRSC2EZYC5}

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	2026-05-17T23:54:02.015728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e44bb7b8676bfe3487b85c642d133817620266a8011e6755002837d318f96b20

Aliases

arxiv: 1902.04641 · arxiv_version: 1902.04641v2 · doi: 10.48550/arxiv.1902.04641 · pith_short_12: 4RF3PODHNP7D · pith_short_16: 4RF3PODHNP7DJB5Y · pith_short_8: 4RF3PODH

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/4RF3PODHNP7DJB5YLRSC2EZYC5 \
  | 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: e44bb7b8676bfe3487b85c642d133817620266a8011e6755002837d318f96b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89eec073fffc9896047b16c27c4558babaf7bdb393111e31e8884e29a1322217",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2019-02-12T21:21:03Z",
    "title_canon_sha256": "5b65352934e273e070de4e22a846431c83bcc395d0be3f524d09b670f878ace6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04641",
    "kind": "arxiv",
    "version": 2
  }
}