Pith Number

pith:7GCE5X7Y

pith:2018:7GCE5X7YVYMRQFJR3HZHQBH3RY

not attested not anchored not stored refs pending

Echoes from the Abyss: A highly spinning black hole remnant for the binary neutron star merger GW170817

Hanover), Jahed Abedi (AEI, Niayesh Afshordi (Waterloo/PI)

arxiv:1803.10454 v3 · 2018-03-28 · gr-qc · 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{7GCE5X7YVYMRQFJR3HZHQBH3RY}

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	2026-07-05T00:29:35.415745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9844edff8ae19181531d9f27804fb8e1e0b38a35044fdd6e628ce32abfb1635

Aliases

arxiv: 1803.10454 · arxiv_version: 1803.10454v3 · doi: 10.48550/arxiv.1803.10454 · pith_short_12: 7GCE5X7YVYMR · pith_short_16: 7GCE5X7YVYMRQFJR · pith_short_8: 7GCE5X7Y

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/7GCE5X7YVYMRQFJR3HZHQBH3RY \
  | 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: f9844edff8ae19181531d9f27804fb8e1e0b38a35044fdd6e628ce32abfb1635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f5007762abf92aa5bbf6bc912f4a18c189148699c1442166c73d9ab8bf95d98",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-28T08:23:35Z",
    "title_canon_sha256": "7a64e00f764d400c8c4bc37e2669e9ac4cd257b58ac4239bf08a0b6934665f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10454",
    "kind": "arxiv",
    "version": 3
  }
}