Pith Number

pith:TFZMBR46

pith:2011:TFZMBR46AO7JNZYPVJBWFN6OFA

not attested not anchored not stored refs pending

A Finite Difference Ghost-Cell Multigrid Approach for Poisson Equation with Mixed Boundary Conditions in Arbitrary Domain

Armando Coco, Giovanni Russo

arxiv:1111.0983 v1 · 2011-11-03 · math.NA · 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{TFZMBR46AO7JNZYPVJBWFN6OFA}

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	2026-05-18T04:09:36.047359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9972c0c79e03be96e70faa4362b7ce280079dc8486c1230bbb18075d62e30a0b

Aliases

arxiv: 1111.0983 · arxiv_version: 1111.0983v1 · doi: 10.48550/arxiv.1111.0983 · pith_short_12: TFZMBR46AO7J · pith_short_16: TFZMBR46AO7JNZYP · pith_short_8: TFZMBR46

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/TFZMBR46AO7JNZYPVJBWFN6OFA \
  | 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: 9972c0c79e03be96e70faa4362b7ce280079dc8486c1230bbb18075d62e30a0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b27303134d9f4a86ec26248a83cc7cc0397f475a9dbd52097bae4d8c50736c3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-11-03T20:42:26Z",
    "title_canon_sha256": "603bd7bbfb8b99a01cc2867e65c09c4b4ebf99b76b745bc88947ef3436dac633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0983",
    "kind": "arxiv",
    "version": 1
  }
}