Pith Number

pith:CGQ4AUTK

pith:2012:CGQ4AUTKGDOHJSIJYAB776UNOU

not attested not anchored not stored refs pending

The Blandford-Znajek theory revisited

Luigi Foschini

arxiv:1205.3128 v4 · 2012-05-14 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CGQ4AUTKGDOHJSIJYAB776UNOU}

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	2026-05-18T01:22:52.637636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11a1c0526a30dc74c909c003fffa8d753292d629ef0a0687d5d5358445081d53

Aliases

arxiv: 1205.3128 · arxiv_version: 1205.3128v4 · doi: 10.48550/arxiv.1205.3128 · pith_short_12: CGQ4AUTKGDOH · pith_short_16: CGQ4AUTKGDOHJSIJ · pith_short_8: CGQ4AUTK

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/CGQ4AUTKGDOHJSIJYAB776UNOU \
  | 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: 11a1c0526a30dc74c909c003fffa8d753292d629ef0a0687d5d5358445081d53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d56c4c2d5f11ab637df24c921881ecff5351b272d2127a6f5c265eaafdd866e8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-14T18:08:04Z",
    "title_canon_sha256": "065340d31643847ee20430911e71e0792a216986318451eb09ffcade50ce29f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3128",
    "kind": "arxiv",
    "version": 4
  }
}