Pith Number

pith:SAXJ7F2L

pith:2012:SAXJ7F2LZKO5JQM53TSN62ENJP

not attested not anchored not stored refs pending

New families of symplectic splitting methods for numerical integration in dynamical astronomy

Ander Murua, Ariadna Farres, Fernando Casas, Jacques Laskar, Joseba Makazaga, Sergio Blanes

arxiv:1208.0689 v3 · 2012-08-03 · math.NA · astro-ph.EP · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAXJ7F2LZKO5JQM53TSN62ENJP}

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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	2026-05-18T02:19:17.100766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

902e9f974bca9dd4c19ddce4df688d4bf3e7580c539cb8b80c4af4239755d40b

Aliases

arxiv: 1208.0689 · arxiv_version: 1208.0689v3 · doi: 10.48550/arxiv.1208.0689 · pith_short_12: SAXJ7F2LZKO5 · pith_short_16: SAXJ7F2LZKO5JQM5 · pith_short_8: SAXJ7F2L

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/SAXJ7F2LZKO5JQM53TSN62ENJP \
  | 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: 902e9f974bca9dd4c19ddce4df688d4bf3e7580c539cb8b80c4af4239755d40b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a83243d4ae3539a3ca415fd74cec42f9487f73cfc74ea222c14e819c9f23beb",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-08-03T08:38:37Z",
    "title_canon_sha256": "891d29ec0103d690c51856bea0ec1f5d7bfa1e282373fe109549ee426029226d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0689",
    "kind": "arxiv",
    "version": 3
  }
}