Pith Number

pith:UBEV4EEU

pith:2013:UBEV4EEUPQ7EF4EUYJWFTHVDZ6

not attested not anchored not stored refs pending

A first-order secular theory for the post-Newtonian two-body problem with spin -- I: The restricted case

Francesco Biscani, Sante Carloni

arxiv:1303.0232 v2 · 2013-03-01 · gr-qc · astro-ph.EP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBEV4EEUPQ7EF4EUYJWFTHVDZ6}

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	2026-05-18T03:31:06.156626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0495e10947c3e42f094c26c599ea3cfa6f8464e89585dc3a9eb2b2ba32a90db

Aliases

arxiv: 1303.0232 · arxiv_version: 1303.0232v2 · doi: 10.48550/arxiv.1303.0232 · pith_short_12: UBEV4EEUPQ7E · pith_short_16: UBEV4EEUPQ7EF4EU · pith_short_8: UBEV4EEU

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/UBEV4EEUPQ7EF4EUYJWFTHVDZ6 \
  | 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: a0495e10947c3e42f094c26c599ea3cfa6f8464e89585dc3a9eb2b2ba32a90db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35053a697bb01fd3bbba801b716cacbcb4e5a7ce2a6b9a86a698806b0f1700a0",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-01T17:47:35Z",
    "title_canon_sha256": "b721926b2d7367ce70a59049bfa7ac03b82b882e3ca3ef943375a6cb8fec2768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0232",
    "kind": "arxiv",
    "version": 2
  }
}