Pith Number

pith:C7U32V5T

pith:2012:C7U32V5T2QBSEM3EZC7KK4JOAF

not attested not anchored not stored refs pending

Improved effective-one-body description of coalescing nonspinning black-hole binaries and its numerical-relativity completion

Alessandro Nagar, Sebastiano Bernuzzi, Thibault Damour

arxiv:1212.4357 v2 · 2012-12-18 · 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{C7U32V5T2QBSEM3EZC7KK4JOAF}

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	2026-05-18T03:27:54.273664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e9bd57b3d403223364c8bea5712e01456ed81e724a47f9f717f440c42744ae

Aliases

arxiv: 1212.4357 · arxiv_version: 1212.4357v2 · doi: 10.48550/arxiv.1212.4357 · pith_short_12: C7U32V5T2QBS · pith_short_16: C7U32V5T2QBSEM3E · pith_short_8: C7U32V5T

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/C7U32V5T2QBSEM3EZC7KK4JOAF \
  | 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: 17e9bd57b3d403223364c8bea5712e01456ed81e724a47f9f717f440c42744ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfd4b6cee92eafb6492a5dda7b92329978229ae074a21a67fbc128dd533419f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-18T14:19:28Z",
    "title_canon_sha256": "563b988aad7a7c0e84ec5ca2f09c3fbd7d12c5555087de24cf2b037cc31cbe66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4357",
    "kind": "arxiv",
    "version": 2
  }
}