Pith Number

pith:R7HLVRCK

pith:2009:R7HLVRCKHZZ5PT7MP2BLAWVV7K

not attested not anchored not stored refs pending

Testing Effective Quantum Gravity with Gravitational Waves from Extreme-Mass-Ratio Inspirals

C. F. Sopuerta, Nicolas Yunes

arxiv:0909.3636 v2 · 2009-09-20 · gr-qc · astro-ph.CO · astro-ph.GA · 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{R7HLVRCKHZZ5PT7MP2BLAWVV7K}

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	2026-05-18T02:34:29.455759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fcebac44a3e73d7cfec7e82b05ab5faa0ca4d6e9f4ef9bd6f92f241ac97b336

Aliases

arxiv: 0909.3636 · arxiv_version: 0909.3636v2 · doi: 10.48550/arxiv.0909.3636 · pith_short_12: R7HLVRCKHZZ5 · pith_short_16: R7HLVRCKHZZ5PT7M · pith_short_8: R7HLVRCK

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/R7HLVRCKHZZ5PT7MP2BLAWVV7K \
  | 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: 8fcebac44a3e73d7cfec7e82b05ab5faa0ca4d6e9f4ef9bd6f92f241ac97b336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12991cab7f7c77662d42e5fbb4e77175299ebff9f7da7180d6558f6dd1074ac7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-09-20T15:14:27Z",
    "title_canon_sha256": "b5af013fab4c5fbfce49c3a0bc4d0e81a03457322ec147f82782790a41178a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3636",
    "kind": "arxiv",
    "version": 2
  }
}