Pith Number

pith:JQQIAN7L

pith:2015:JQQIAN7LAJQTGY2KSEXJPLHANF

not attested not anchored not stored refs pending

Proof of linear instability of the Reissner-Nordstr\"om Cauchy horizon under scalar perturbations

Jonathan Luk, Sung-Jin Oh

arxiv:1501.04598 v1 · 2015-01-19 · gr-qc · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQQIAN7LAJQTGY2KSEXJPLHANF}

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	2026-05-18T00:49:52.767361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c208037eb026133634a912e97ace06951e055307df60ecd715717d2dce76975

Aliases

arxiv: 1501.04598 · arxiv_version: 1501.04598v1 · doi: 10.48550/arxiv.1501.04598 · pith_short_12: JQQIAN7LAJQT · pith_short_16: JQQIAN7LAJQTGY2K · pith_short_8: JQQIAN7L

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/JQQIAN7LAJQTGY2KSEXJPLHANF \
  | 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: 4c208037eb026133634a912e97ace06951e055307df60ecd715717d2dce76975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61b5014056f21e835b0e9e1f974e4cce84ac9128488f6bab7bdb3f6dba1f6608",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-01-19T19:30:32Z",
    "title_canon_sha256": "d9b4c8903b261f380e470f1c8b015b6dd359d0420f654b7d9f12dbf9ec28bb51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04598",
    "kind": "arxiv",
    "version": 1
  }
}