Pith Number

pith:OW6LXDJ3

pith:2020:OW6LXDJ3LBUNIP3MPL76KGEY4T

not attested not anchored not stored refs pending

Testing the black-hole area law with GW150914

Mark A. Scheel, Matthew Giesler, Maximiliano Isi, Saul A. Teukolsky, Will M. Farr

arxiv:2012.04486 v2 · 2020-12-08 · 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{OW6LXDJ3LBUNIP3MPL76KGEY4T}

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

6 papers in Pith

Modeling Direct Waves in Binary Black Hole Ringdowns

Rational Orbits and Gravitational Waves in Static Spherical Spacetimes: An Open-Source Numerical Framework

Measuring a Black Hole's Area Immediately after Merger: A Direct-Wave Test of Hawking's Area Law

Extracting Properties of Dark Dense Environments around Black Holes from Gravitational Waves

GW250114: testing Hawking's area law and the Kerr nature of black holes

Receipt and verification

First computed	2026-07-05T02:55:36.081138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75bcbb8d3b5868d43f6c7affe51898e4d7905a6b982a6294ebce6e07b260689c

Aliases

arxiv: 2012.04486 · arxiv_version: 2012.04486v2 · doi: 10.48550/arxiv.2012.04486 · pith_short_12: OW6LXDJ3LBUN · pith_short_16: OW6LXDJ3LBUNIP3M · pith_short_8: OW6LXDJ3

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/OW6LXDJ3LBUNIP3MPL76KGEY4T \
  | 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: 75bcbb8d3b5868d43f6c7affe51898e4d7905a6b982a6294ebce6e07b260689c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd0453b5aaa9078b0606e7821cb6ec682ae908c242db0016bac422d579769190",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-12-08T15:26:20Z",
    "title_canon_sha256": "b323aa6f9489ac44160bf41e85530be0a2c146606d2599ea6187e6e7a070d56a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04486",
    "kind": "arxiv",
    "version": 2
  }
}