Pith Number

pith:ZK7KHUNK

pith:2013:ZK7KHUNKDQIRDIMGXEA64E4TS7

not attested not anchored not stored refs pending

Critical escape velocity for a charged particle moving around a weakly magnetized Schwarzschild black hole

A. M. Al Zahrani, Andrey A. Shoom, Valeri P. Frolov

arxiv:1301.4633 v1 · 2013-01-20 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZK7KHUNKDQIRDIMGXEA64E4TS7}

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.

Cited by

1 paper in Pith

Epicyclic motion of charged particles around a weakly magnetized Kiselev black hole

Receipt and verification

First computed	2026-05-18T01:00:20.866891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cabea3d1aa1c1111a186b901ee139397d58890f5e26b3068679323a92b45d3d2

Aliases

arxiv: 1301.4633 · arxiv_version: 1301.4633v1 · doi: 10.48550/arxiv.1301.4633 · pith_short_12: ZK7KHUNKDQIR · pith_short_16: ZK7KHUNKDQIRDIMG · pith_short_8: ZK7KHUNK

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/ZK7KHUNKDQIRDIMGXEA64E4TS7 \
  | 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: cabea3d1aa1c1111a186b901ee139397d58890f5e26b3068679323a92b45d3d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11f1166868de8ffb36f67fdfeb889df01230779de1e6229fbb544dd66d14a83d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-20T06:58:07Z",
    "title_canon_sha256": "a25eaa81c85bc775232f4664771ee4a388ba2f10239aab45ca8e6d46bdfe9ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4633",
    "kind": "arxiv",
    "version": 1
  }
}