Pith Number

pith:ZCT3TR66

pith:2021:ZCT3TR66XUJLHTH4JTKDJSXRYY

not attested not anchored not stored refs pending

GW190521: Search for Echoes due to Stimulated Hawking Radiation from Black Holes

Jahed Abedi, Lu\'is Felipe Longo Micchi, Niayesh Afshordi

arxiv:2201.00047 v2 · 2021-12-31 · gr-qc · astro-ph.CO · astro-ph.HE · 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{ZCT3TR66XUJLHTH4JTKDJSXRYY}

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	2026-07-05T06:57:49.161109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8a7b9c7debd12b3ccfc4cd434caf1c60dcae365be57c92750c4e6cbbcca6fd1

Aliases

arxiv: 2201.00047 · arxiv_version: 2201.00047v2 · doi: 10.48550/arxiv.2201.00047 · pith_short_12: ZCT3TR66XUJL · pith_short_16: ZCT3TR66XUJLHTH4 · pith_short_8: ZCT3TR66

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/ZCT3TR66XUJLHTH4JTKDJSXRYY \
  | 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: c8a7b9c7debd12b3ccfc4cd434caf1c60dcae365be57c92750c4e6cbbcca6fd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e58c40e527040969c5e476f2d6bb1702236ae00b36f4a59e4d54b64160be01",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-12-31T20:12:38Z",
    "title_canon_sha256": "60cc3320b928697211e17933a68c6f24d222d1bf5f3b0fe0fb9c16f2262d804d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00047",
    "kind": "arxiv",
    "version": 2
  }
}