Pith Number

pith:BIOQINP4

pith:2012:BIOQINP4MXNH3RZ6PUGFYDWT5L

not attested not anchored not stored refs pending

A note on instabilities of extremal black holes under scalar perturbations from afar

Stefanos Aretakis

arxiv:1212.1103 v2 · 2012-12-05 · 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{BIOQINP4MXNH3RZ6PUGFYDWT5L}

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	2026-05-18T01:52:47.361963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a1d0435fc65da7dc73e7d0c5c0ed3eac3ec5269798bb5c058d376885a6e0785

Aliases

arxiv: 1212.1103 · arxiv_version: 1212.1103v2 · doi: 10.48550/arxiv.1212.1103 · pith_short_12: BIOQINP4MXNH · pith_short_16: BIOQINP4MXNH3RZ6 · pith_short_8: BIOQINP4

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/BIOQINP4MXNH3RZ6PUGFYDWT5L \
  | 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: 0a1d0435fc65da7dc73e7d0c5c0ed3eac3ec5269798bb5c058d376885a6e0785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e600f0935a370b219aec26709081c1845d55d48465fb0fac4bd18b0df1fac966",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-05T17:19:07Z",
    "title_canon_sha256": "418c976c4a6360fc0af187b078311e295bed1a1ee99dd14931b7231d81c37aba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1103",
    "kind": "arxiv",
    "version": 2
  }
}