Pith Number

pith:SPAHDRWF

pith:2023:SPAHDRWFVZF2Y2EZ34JSMEXO4Z

not attested not anchored not stored refs pending

Design, Manufacturing, Assembly, and Lessons Learned of the Pre-production 325 MHz Couplers for the PIP-II Project at Fermilab

(2) IJCLab, D. Longuevergne (2), D. Passarelli (1), J. Helsper (1), N. Solyak (1) ((1) Fermilab, Orsay), S. Kazakov (1), S. Wallon (2)

arxiv:2307.05771 v1 · 2023-07-11 · 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{SPAHDRWFVZF2Y2EZ34JSMEXO4Z}

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	2026-07-05T06:30:12.226438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c071c6c5ae4bac6899df132612eee65e0d2de8ddf912178abfc22819f393a2

Aliases

arxiv: 2307.05771 · arxiv_version: 2307.05771v1 · doi: 10.48550/arxiv.2307.05771 · pith_short_12: SPAHDRWFVZF2 · pith_short_16: SPAHDRWFVZF2Y2EZ · pith_short_8: SPAHDRWF

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/SPAHDRWFVZF2Y2EZ34JSMEXO4Z \
  | 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: 93c071c6c5ae4bac6899df132612eee65e0d2de8ddf912178abfc22819f393a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd53c01a87d51ef4fc7ff0193109e75e328342c53e11164eddc2425b32812510",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2023-07-11T19:59:15Z",
    "title_canon_sha256": "ee9d364ebff4cf9ca51510af4176ca766985205b8e6f55651716648a8c0741d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.05771",
    "kind": "arxiv",
    "version": 1
  }
}