Pith Number

pith:N5IORVP2

pith:2012:N5IORVP2ARDBXDZXOZ6W3F4ASV

not attested not anchored not stored refs pending

Destroying extremal Kerr-Newman black holes with test particles

Sijie Gao, Yuan Zhang

arxiv:1211.2631 v2 · 2012-11-12 · 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{N5IORVP2ARDBXDZXOZ6W3F4ASV}

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	2026-05-18T03:32:44.576897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f50e8d5fa04461b8f37767d6d97809552ce48933daaf35d61e43ee7d939f5ed

Aliases

arxiv: 1211.2631 · arxiv_version: 1211.2631v2 · doi: 10.48550/arxiv.1211.2631 · pith_short_12: N5IORVP2ARDB · pith_short_16: N5IORVP2ARDBXDZX · pith_short_8: N5IORVP2

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/N5IORVP2ARDBXDZXOZ6W3F4ASV \
  | 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: 6f50e8d5fa04461b8f37767d6d97809552ce48933daaf35d61e43ee7d939f5ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2e33f5a897bd46ca83e24a5924719d6f9e51a172da5cc1f478efc6b2ebeed21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-11-12T14:27:35Z",
    "title_canon_sha256": "bf0d9cc3a3027dc43adb244b2383d6763df0b042d8533e600660d79965fc1b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2631",
    "kind": "arxiv",
    "version": 2
  }
}