Pith Number

pith:GB2PCLUF

pith:2011:GB2PCLUF4JWPAYLZL6CIAGLJBQ

not attested not anchored not stored refs pending

The discovery of geomagnetically trapped cosmic ray antiprotons

A. Bruno, A. G. Mayorov, A. Leonov, A. M. Galper, A. Monaco, A. N. Kvashnin, A. Vacchi, A. V. Karelin, C. De Santis, C. Pizzolotto, D. Campana, E. A. Bogomolov, E. Mocchiutti, E. Vannuccini, F. Cafagna, F. Palma, G. A. Bazilevskaya, G. Castellini, G. C. Barbarino, G. Jerse, G. Osteria, G. Vasilyev, G. Zampa, J. Wu, L. Consiglio, L. Grishantseva, L. Marcelli, L. Rossetto, M. Boezio, M. Bongi, M. Casolino, M. D. Kheymits, M. P. De Pascale, M. Pearce, M. Ricci, M. Simon, N. De Simone, N. Mori, N. Nikonov, N. Zampa, O. Adriani, P. Carlson, P. Papini, P. Picozza, P. Spillantini, R. Bellotti, R. Carbone, R. Sarkar, R. Sparvoli, S. A. Voronov, S. Borisov, S. Bottai, S. B. Ricciarini, S. V. Koldashov, S. Y. Krutkov, V. Bonvicini, V. Di Felice, V. G. Zverev, V. Malakhov, V. V. Mikhailov, W. Gillard, W. Menn, Y. I. Stozhkov, Y. T. Yurkin

arxiv:1107.4882 v1 · 2011-07-25 · astro-ph.HE · 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{GB2PCLUF4JWPAYLZL6CIAGLJBQ}

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	2026-05-18T04:16:40.523850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3074f12e85e26cf061795f848019690c18e8f1e87563e6cfc6418c6b4108ac86

Aliases

arxiv: 1107.4882 · arxiv_version: 1107.4882v1 · doi: 10.48550/arxiv.1107.4882 · pith_short_12: GB2PCLUF4JWP · pith_short_16: GB2PCLUF4JWPAYLZ · pith_short_8: GB2PCLUF

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/GB2PCLUF4JWPAYLZL6CIAGLJBQ \
  | 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: 3074f12e85e26cf061795f848019690c18e8f1e87563e6cfc6418c6b4108ac86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b28fcef3036a8666141f1d0d80031058fca0e77bf2f359ac3d90d87328d1cc32",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-07-25T10:11:57Z",
    "title_canon_sha256": "cacd7bb26d2bdda03b88f0f53a43e1d9d620d1f39872d0437e7de6aa44e016b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4882",
    "kind": "arxiv",
    "version": 1
  }
}