Pith Number

pith:FZ7KUXCW

pith:2017:FZ7KUXCWCCG53GIM75QCNPQ7MU

not attested not anchored not stored refs pending

Effects of Inner Alfv\'en Surface Location on Black Hole Energy Extraction in the Limit of a Force-Free Magnetosphere

Kevin Thoelecke, Masaaki Takahashi, Sachiko Tsuruta

arxiv:1702.07322 v1 · 2017-02-23 · 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{FZ7KUXCWCCG53GIM75QCNPQ7MU}

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	2026-05-18T00:48:04.944025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e7eaa5c56108ddd990cff6026be1f65172a84d4b6060292dc1caf8d44098b20

Aliases

arxiv: 1702.07322 · arxiv_version: 1702.07322v1 · doi: 10.48550/arxiv.1702.07322 · pith_short_12: FZ7KUXCWCCG5 · pith_short_16: FZ7KUXCWCCG53GIM · pith_short_8: FZ7KUXCW

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/FZ7KUXCWCCG53GIM75QCNPQ7MU \
  | 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: 2e7eaa5c56108ddd990cff6026be1f65172a84d4b6060292dc1caf8d44098b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b8e832f7f1054a9ba83cd8c8ba9586b391bd07ae94c5cebf410d085b25b44f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-23T18:15:28Z",
    "title_canon_sha256": "f4a86b40fc3bf7fcdcfb6aab7899fa0d8a9992ad1c129fc1afbd81bd463cdea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07322",
    "kind": "arxiv",
    "version": 1
  }
}