Pith Number

pith:NJAILBUG

pith:2009:NJAILBUGSEDBYOYTSHFUB252AL

not attested not anchored not stored refs pending

Activation of the Blandford-Znajek mechanism in collapsing stars

M.V.Barkov, S.S.Komissarov

arxiv:0902.2881 v4 · 2009-02-17 · 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{NJAILBUGSEDBYOYTSHFUB252AL}

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	2026-05-18T02:14:47.395999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a4085868691061c3b1391cb40ebba02f1a60715477b92d8c0f78d230a4ee4f7

Aliases

arxiv: 0902.2881 · arxiv_version: 0902.2881v4 · doi: 10.48550/arxiv.0902.2881 · pith_short_12: NJAILBUGSEDB · pith_short_16: NJAILBUGSEDBYOYT · pith_short_8: NJAILBUG

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/NJAILBUGSEDBYOYTSHFUB252AL \
  | 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: 6a4085868691061c3b1391cb40ebba02f1a60715477b92d8c0f78d230a4ee4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb38aa35e773f3e4f537ae56f895fdb5f9d65408763223c9fb96176eba1540a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-02-17T10:02:06Z",
    "title_canon_sha256": "c17496bb8b1a6242dac0fbe19e0e111365f587ef09338347dc2af3476d05b1db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2881",
    "kind": "arxiv",
    "version": 4
  }
}