Pith Number

pith:YPTTASOO

pith:2026:YPTTASOOPXSVLJFIXLMQ3SS2OZ

not attested not anchored not stored refs pending

Fast, accurate, and differentiable: a neural-network surrogate for NRSur7dq4 precessing binary black hole waveforms

Ashwin Girish, Lucy M. Thomas, Michael P\"urrer, Scott E. Field, Vijay Varma

arxiv:2607.24960 v1 · 2026-07-27 · gr-qc · astro-ph.HE · astro-ph.IM · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPTTASOOPXSVLJFIXLMQ3SS2OZ}

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	2026-07-29T00:24:55.220192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3e73049ce7de555a4a8bad90dca5a764286c701eb079278b168f9797c64b1e2

Aliases

arxiv: 2607.24960 · arxiv_version: 2607.24960v1 · doi: 10.48550/arxiv.2607.24960 · pith_short_12: YPTTASOOPXSV · pith_short_16: YPTTASOOPXSVLJFI · pith_short_8: YPTTASOO

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/YPTTASOOPXSVLJFIXLMQ3SS2OZ \
  | 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: c3e73049ce7de555a4a8bad90dca5a764286c701eb079278b168f9797c64b1e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd03e386f116bce14bc3983bd81619dc16149e566f7e492980dc5bd11f06c81",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-27T18:08:33Z",
    "title_canon_sha256": "4bb5e0083baef7ec87a263d9c788f6dfb50dfaee745831fc7221f25386269482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24960",
    "kind": "arxiv",
    "version": 1
  }
}