Pith Number

pith:A4P6NEMR

pith:2021:A4P6NEMR372KJGKACLROAWKKC4

not attested not anchored not stored refs pending

First Proof-of-Concept Prototype of an Additive-Manufactured Radio Frequency Quadrupole

A. Ratkus, E. Lopez, F. Bruckner, G. Pikurs, M. Vedani, M. Vretenar, S. Gruber, T. Torims

arxiv:2110.05233 v1 · 2021-10-11 · 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{A4P6NEMR372KJGKACLROAWKKC4}

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	2026-07-05T03:21:26.783907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

071fe69191dff4a4994012e2e0594a17330cb493b1ac12c6418efaa09080cfa5

Aliases

arxiv: 2110.05233 · arxiv_version: 2110.05233v1 · doi: 10.48550/arxiv.2110.05233 · pith_short_12: A4P6NEMR372K · pith_short_16: A4P6NEMR372KJGKA · pith_short_8: A4P6NEMR

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/A4P6NEMR372KJGKACLROAWKKC4 \
  | 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: 071fe69191dff4a4994012e2e0594a17330cb493b1ac12c6418efaa09080cfa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5a9e23abaaf972e8544310cbcc72b3784bed4e489d0b17e28f24379f4b05092",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2021-10-11T12:51:40Z",
    "title_canon_sha256": "7343306bb8e57ce23b57fa3b4e21aac5e75bbd781ae94d39bf3ca9f6064982c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.05233",
    "kind": "arxiv",
    "version": 1
  }
}