Pith Number

pith:Z23IB4AB

pith:1999:Z23IB4ABEBRX4N2G3KJ5IN6XU4

not attested not anchored not stored refs pending

The upgraded Outer em calorimeter of FOCUS at Fermilab

A. Laudo, A. Reis, A. Sanchez, A. Zallo, C. Gobel, F. L. Fabbri, F. Simao, G. Gianini, H. Mendez, I. Bediaga, I. Pepe, J. Anjos, J. Magnin, J. Miranda, L. Passamonti, M. Giardoni, S. Bianco, S. Carrillo, S. Sarwar, V. Russo

arxiv:hep-ex/9912066 v1 · 1999-12-30 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z23IB4ABEBRX4N2G3KJ5IN6XU4}

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	2026-05-18T01:06:43.134293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceb680f00120637e3746da93d437d7a73d7e6445caa5aa15e9912c3881e5e94d

Aliases

arxiv: hep-ex/9912066 · arxiv_version: hep-ex/9912066v1 · doi: 10.48550/arxiv.hep-ex/9912066 · pith_short_12: Z23IB4ABEBRX · pith_short_16: Z23IB4ABEBRX4N2G · pith_short_8: Z23IB4AB

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/Z23IB4ABEBRX4N2G3KJ5IN6XU4 \
  | 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: ceb680f00120637e3746da93d437d7a73d7e6445caa5aa15e9912c3881e5e94d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c39beaf61d3968a64653d0520cb237a7ef55497c8fcd228694f479f3568b8fc5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "1999-12-30T17:40:59Z",
    "title_canon_sha256": "8561fac09fe8453bd06d9b10e07164a536640bbdfe06543e7157b9ef70883da6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/9912066",
    "kind": "arxiv",
    "version": 1
  }
}