Pith Number

pith:A5DWKEJL

pith:2015:A5DWKEJLX2FWEJHFWIFBPYZ2SN

not attested not anchored not stored refs pending

Note on Bunching of Field Lines in Black Hole Magnetospheres

Alexandru Lupsasca, Maria J. Rodriguez, Samuel E. Gralla

arxiv:1504.02112 v2 · 2015-04-08 · gr-qc · astro-ph.HE · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A5DWKEJLX2FWEJHFWIFBPYZ2SN}

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	2026-05-18T01:33:15.897063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

074765112bbe8b6224e5b20a17e33a934bb4f6849e11c227df07154fcdc75baa

Aliases

arxiv: 1504.02112 · arxiv_version: 1504.02112v2 · doi: 10.48550/arxiv.1504.02112 · pith_short_12: A5DWKEJLX2FW · pith_short_16: A5DWKEJLX2FWEJHF · pith_short_8: A5DWKEJL

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/A5DWKEJLX2FWEJHFWIFBPYZ2SN \
  | 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: 074765112bbe8b6224e5b20a17e33a934bb4f6849e11c227df07154fcdc75baa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ce5cf500b1defcda36cd267de7d1850900c5f6ab9b960fa77011ab833ce3969",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-08T20:11:42Z",
    "title_canon_sha256": "d054a014179603add3e7c23be90f1e69cfa942c9e68634764ae411053591eb52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02112",
    "kind": "arxiv",
    "version": 2
  }
}