Pith Number

pith:IGRQQOJX

pith:2016:IGRQQOJX3WM4HM437KYXGPUSPL

not attested not anchored not stored refs pending

Possible confirmation of the existence of ergoregion by the Kerr quasinormal mode in gravitational waves from Pop III massive black hole binary

Hiroyuki Nakano, Takashi Nakamura, Tomoya Kinugawa

arxiv:1601.07217 v2 · 2016-01-26 · astro-ph.HE · 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{IGRQQOJX3WM4HM437KYXGPUSPL}

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	2026-05-18T01:12:16.865757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a3083937dd99c3b39bfab1733e927ad1fc89ae219ac39ae2d71eec5e03d109

Aliases

arxiv: 1601.07217 · arxiv_version: 1601.07217v2 · doi: 10.48550/arxiv.1601.07217 · pith_short_12: IGRQQOJX3WM4 · pith_short_16: IGRQQOJX3WM4HM43 · pith_short_8: IGRQQOJX

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/IGRQQOJX3WM4HM437KYXGPUSPL \
  | 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: 41a3083937dd99c3b39bfab1733e927ad1fc89ae219ac39ae2d71eec5e03d109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1b8b04fa02e81b7ea90dd1625e9c7841cb52ee24e2db04a9d387308fabd10cf",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-01-26T22:57:40Z",
    "title_canon_sha256": "f72c4912803e18acc382375df770e2de2cb975ccba13b47bef3a487ca10d05c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07217",
    "kind": "arxiv",
    "version": 2
  }
}