Pith Number

pith:Q4FPYWQY

pith:2015:Q4FPYWQY4U6TCI5LTEBYLEY7GJ

not attested not anchored not stored refs pending

Positron extraction to an electromagnetic field free region

A. Rubbia, B. Brown, D. A. Cooke, G. Barandun, P. Crivelli, S. Vergani

arxiv:1508.06213 v1 · 2015-08-24 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4FPYWQY4U6TCI5LTEBYLEY7GJ}

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	2026-05-18T01:24:52.978576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870afc5a18e53d3123ab990385931f326617425b367019151ee675f155033e19

Aliases

arxiv: 1508.06213 · arxiv_version: 1508.06213v1 · doi: 10.48550/arxiv.1508.06213 · pith_short_12: Q4FPYWQY4U6T · pith_short_16: Q4FPYWQY4U6TCI5L · pith_short_8: Q4FPYWQY

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/Q4FPYWQY4U6TCI5LTEBYLEY7GJ \
  | 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: 870afc5a18e53d3123ab990385931f326617425b367019151ee675f155033e19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "873dd08643f6d030b2a3ba4b20280150b9934d295a84a4f1139184ed45d66250",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2015-08-24T08:19:06Z",
    "title_canon_sha256": "c8d4c063ad73edfc6fc5e9800bb3c6a0e509445a80babdf8b66f9f75ebdc1240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06213",
    "kind": "arxiv",
    "version": 1
  }
}