Pith Number

pith:ZXJA2NBQ

pith:2018:ZXJA2NBQPOIRD5QGUCXI572BLC

not attested not anchored not stored refs pending

Scaled Prototype of a Tantalum Target Embedded in Expanded Graphite for Antiproton Production: Design, Manufacturing and Testing under Proton Beam Impacts

Antonio Perillo-Marcone, Claudio Torregrosa Martin, Joao Canhoto Espadanal, Lucian-Mircea Grec, Marco Calviani, Mark Butcher, Nicola Solieri, Romain Ferriere

arxiv:1803.09776 v2 · 2018-03-26 · 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{ZXJA2NBQPOIRD5QGUCXI572BLC}

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	2026-05-18T00:08:20.924689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdd20d34307b9111f606a0ae8eff4158a4b0dafbd37fb1d8fabd148a500f1071

Aliases

arxiv: 1803.09776 · arxiv_version: 1803.09776v2 · doi: 10.48550/arxiv.1803.09776 · pith_short_12: ZXJA2NBQPOIR · pith_short_16: ZXJA2NBQPOIRD5QG · pith_short_8: ZXJA2NBQ

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/ZXJA2NBQPOIRD5QGUCXI572BLC \
  | 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: cdd20d34307b9111f606a0ae8eff4158a4b0dafbd37fb1d8fabd148a500f1071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6301c3d2e1e0cf2b2b67a1b79f294062fb5795794ec17dc89d5b8a82561ea69",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2018-03-26T18:25:34Z",
    "title_canon_sha256": "aeced6aa987ef0173bf40af6e5bc3efc55febfff70f98d7923f9c573737ddc1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09776",
    "kind": "arxiv",
    "version": 2
  }
}