Pith Number

pith:JFIV5JLF

pith:2004:JFIV5JLFVMHLMCLDBAKUY6XKYO

not attested not anchored not stored refs pending

A chi-squared time-frequency discriminator for gravitational wave detection

Bruce Allen

arxiv:gr-qc/0405045 v2 · 2004-05-07 · 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{JFIV5JLFVMHLMCLDBAKUY6XKYO}

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

Detection of GW200105 with a targeted eccentric search

GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run

GW231123: a Binary Black Hole Merger with Total Mass 190-265 $M_{\odot}$

Inpainting over the cracks: challenges of applying pre-merger searches for massive black hole binaries to realistic LISA datasets

GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run

Receipt and verification

First computed	2026-05-18T04:18:14.211122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49515ea565ab0eb6096308154c7aeac3b9d93f327937470644776a10f670c61d

Aliases

arxiv: gr-qc/0405045 · arxiv_version: gr-qc/0405045v2 · doi: 10.48550/arxiv.gr-qc/0405045 · pith_short_12: JFIV5JLFVMHL · pith_short_16: JFIV5JLFVMHLMCLD · pith_short_8: JFIV5JLF

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/JFIV5JLFVMHLMCLDBAKUY6XKYO \
  | 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: 49515ea565ab0eb6096308154c7aeac3b9d93f327937470644776a10f670c61d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bbac8284d51b652f30f3a74b751174e90f01ff763d42edc1284306534faa9d1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-05-07T21:10:42Z",
    "title_canon_sha256": "e92643522a9d2394d69af457bf064bff0c385ad3ae4e8a05fa72b9f2cde2cd46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0405045",
    "kind": "arxiv",
    "version": 2
  }
}