Pith Number

pith:LT22UHN4

pith:2025:LT22UHN44VH7WYVEX26CFBKULR

not attested not anchored not stored refs pending

Better early than never: A new test for superluminal gravitational wave polarizations

Colm Talbot, Daniel E. Holz, Kristen Schumacher, Nicol\'as Yunes

arxiv:2501.18125 v1 · 2025-01-30 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LT22UHN44VH7WYVEX26CFBKULR}

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

Testing General Relativity with Individual Supermassive Black Hole Binaries

Receipt and verification

First computed	2026-07-05T10:07:07.480881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cf5aa1dbce54ffb62a4bebc2285545c73f4efdfe91390f91e695be301765334

Aliases

arxiv: 2501.18125 · arxiv_version: 2501.18125v1 · doi: 10.48550/arxiv.2501.18125 · pith_short_12: LT22UHN44VH7 · pith_short_16: LT22UHN44VH7WYVE · pith_short_8: LT22UHN4

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/LT22UHN44VH7WYVEX26CFBKULR \
  | 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: 5cf5aa1dbce54ffb62a4bebc2285545c73f4efdfe91390f91e695be301765334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12657817343a685065a1ca020c1ed7a9d20766f9e4dc723b74b3e4502f54e16b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-01-30T04:03:07Z",
    "title_canon_sha256": "0156d88155cf7049dfcaf3756033fcf82bcd6be75e7aea573667d10a9bb4703a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18125",
    "kind": "arxiv",
    "version": 1
  }
}