Pith Number

pith:P43XY25J

pith:2011:P43XY25J2L5R45ZHYJEX7K4UOY

not attested not anchored not stored refs pending

Nonexistence of quasinormal modes in the extremal BTZ black hole

Yong-Wan Kim, Young-Jai Park, Yun Soo Myung

arxiv:1109.5221 v2 · 2011-09-24 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P43XY25J2L5R45ZHYJEX7K4UOY}

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	2026-05-18T04:12:01.820572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f377c6ba9d2fb1e7727c2497fab94760370dfa875071121f132336222b5186e

Aliases

arxiv: 1109.5221 · arxiv_version: 1109.5221v2 · doi: 10.48550/arxiv.1109.5221 · pith_short_12: P43XY25J2L5R · pith_short_16: P43XY25J2L5R45ZH · pith_short_8: P43XY25J

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/P43XY25J2L5R45ZHYJEX7K4UOY \
  | 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: 7f377c6ba9d2fb1e7727c2497fab94760370dfa875071121f132336222b5186e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6df37cbce38aca35a402bf5ef05f52f9f8d89dffb1dc339802dfb80bbcd1b1e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-09-24T01:35:10Z",
    "title_canon_sha256": "95b3a7886499a2092c84e3bcfdbcb1fc47cdba0f8b5f107094bb9813e520acfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5221",
    "kind": "arxiv",
    "version": 2
  }
}