Pith Number

pith:WXYTZ27K

pith:2011:WXYTZ27KEDLOVSMJM54XYQA52H

not attested not anchored not stored refs pending

Extending the effective-one-body Hamiltonian of black-hole binaries to include next-to-next-to-leading spin-orbit couplings

Alessandra Buonanno (Univ. of Maryland), Enrico Barausse

arxiv:1107.2904 v2 · 2011-07-14 · gr-qc · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WXYTZ27KEDLOVSMJM54XYQA52H}

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	2026-05-18T04:07:19.517843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5f13cebea20d6eac98967797c401dd1f2fb4f71c1b4a23279f18761dab5547c

Aliases

arxiv: 1107.2904 · arxiv_version: 1107.2904v2 · doi: 10.48550/arxiv.1107.2904 · pith_short_12: WXYTZ27KEDLO · pith_short_16: WXYTZ27KEDLOVSMJ · pith_short_8: WXYTZ27K

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/WXYTZ27KEDLOVSMJM54XYQA52H \
  | 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: b5f13cebea20d6eac98967797c401dd1f2fb4f71c1b4a23279f18761dab5547c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c81ce0f5d0c2c71c52c582625b231130dd1b7bc2a54194321c0f880e0858ab2",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-07-14T19:35:30Z",
    "title_canon_sha256": "6f9e86393b39ffd1d6481d66363ae081d9b2fe6c3f3f0ddeeaeaf757f8226f76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2904",
    "kind": "arxiv",
    "version": 2
  }
}