Pith Number

pith:BKBJKGH3

pith:2009:BKBJKGH3SOHZ3YJNFVHBX644PV

not attested not anchored not stored refs pending

Hamiltonian interpolation of splitting approximations for nonlinear PDEs

Benoit Grebert (LMJL), Erwan Faou (IRMAR, Inria - Irmar)

arxiv:0912.2882 v1 · 2009-12-15 · math.NA · cs.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKBJKGH3SOHZ3YJNFVHBX644PV}

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	2026-06-03T23:06:31.643573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a829518fb938f9de12d2d4e1bfb9c7d6c97bfb2e5ad08ac5f13dbe4f7f95e20

Aliases

arxiv: 0912.2882 · arxiv_version: 0912.2882v1 · doi: 10.48550/arxiv.0912.2882 · pith_short_12: BKBJKGH3SOHZ · pith_short_16: BKBJKGH3SOHZ3YJN · pith_short_8: BKBJKGH3

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/BKBJKGH3SOHZ3YJNFVHBX644PV \
  | 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: 0a829518fb938f9de12d2d4e1bfb9c7d6c97bfb2e5ad08ac5f13dbe4f7f95e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1117cc3feea6baa09c6af3f01ac1b8eaa7926e0410d6efd43bc6c63c4fb8130",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-12-15T13:30:54Z",
    "title_canon_sha256": "72feb586c0f3ba04d83824d9b6b75ee27428646d2eeffa1ff0c5e16d12d76599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2882",
    "kind": "arxiv",
    "version": 1
  }
}