Pith Number

pith:SS3Z6A4S

pith:2017:SS3Z6A4S7H5UQMSE5ZFHGK4TJN

not attested not anchored not stored refs pending

Black hole ringdown echoes and howls

Hideyuki Tagoshi, Hiroyuki Nakano, Norichika Sago, Takahiro Tanaka

arxiv:1704.07175 v3 · 2017-04-24 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SS3Z6A4S7H5UQMSE5ZFHGK4TJN}

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.

Cited by

1 paper in Pith

Stretched Horizon Dissipation and the Fate of Echoes

Receipt and verification

First computed	2026-05-18T00:39:46.324879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94b79f0392f9fb483244ee4a732b934b5f98f68eeb1e52b9f46b52b6f3460f7b

Aliases

arxiv: 1704.07175 · arxiv_version: 1704.07175v3 · doi: 10.48550/arxiv.1704.07175 · pith_short_12: SS3Z6A4S7H5U · pith_short_16: SS3Z6A4S7H5UQMSE · pith_short_8: SS3Z6A4S

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/SS3Z6A4S7H5UQMSE5ZFHGK4TJN \
  | 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: 94b79f0392f9fb483244ee4a732b934b5f98f68eeb1e52b9f46b52b6f3460f7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "214cac634957f71d1b40535a256124ba214ff3dfad07f3dfdf00d3a8e4c253ed",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-24T12:30:58Z",
    "title_canon_sha256": "5280d43b477eeca8cdd1251e7eb6690c00c04f8cca2dd4d1885cb859655737de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07175",
    "kind": "arxiv",
    "version": 3
  }
}