Pith Number

pith:7P7XU3WB

pith:2019:7P7XU3WBYRZU7QTBGPTPTEQMRL

not attested not anchored not stored refs pending

Hybrid Numerical Simulations of Pulsar Magnetospheres

Ioannis Contopoulos, Jerome Petri, Petros Stefanou

arxiv:1909.13504 v4 · 2019-09-30 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7P7XU3WBYRZU7QTBGPTPTEQMRL}

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	2026-07-05T00:31:59.172121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbff7a6ec1c4734fc26133e6f9920c8ac05e2ff01fc84723719738c078c7e045

Aliases

arxiv: 1909.13504 · arxiv_version: 1909.13504v4 · doi: 10.48550/arxiv.1909.13504 · pith_short_12: 7P7XU3WBYRZU · pith_short_16: 7P7XU3WBYRZU7QTB · pith_short_8: 7P7XU3WB

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/7P7XU3WBYRZU7QTBGPTPTEQMRL \
  | 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: fbff7a6ec1c4734fc26133e6f9920c8ac05e2ff01fc84723719738c078c7e045

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f60c4327820dc71945b6e50ceb63b9b9100746e11094af8e0528d2d87ceb8c13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-30T08:16:43Z",
    "title_canon_sha256": "960f439e998db8db1dfb98aea3305710f1ffb17ffeff5e4352901c6ef8e5c857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13504",
    "kind": "arxiv",
    "version": 4
  }
}