Pith Number

pith:Z7QL2ALV

pith:2007:Z7QL2ALVWPXHYV6MM2236DN3VS

not attested not anchored not stored refs pending

Analysis of Linear Difference Schemes in the Sparse Grid Combination Technique

Christoph Reisinger

arxiv:0710.0491 v2 · 2007-10-02 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7QL2ALVWPXHYV6MM2236DN3VS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:20:23.623220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe0bd0175b3ee7c57cc66b5bf0dbbac93951a94faba2ce4f8b45be5c4a15e45

Aliases

arxiv: 0710.0491 · arxiv_version: 0710.0491v2 · doi: 10.48550/arxiv.0710.0491 · pith_short_12: Z7QL2ALVWPXH · pith_short_16: Z7QL2ALVWPXHYV6M · pith_short_8: Z7QL2ALV

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/Z7QL2ALVWPXHYV6MM2236DN3VS \
  | 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: cfe0bd0175b3ee7c57cc66b5bf0dbbac93951a94faba2ce4f8b45be5c4a15e45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f7bde37c08a37e7522e8d935d8fac6df27a2af710e2ea78b6f4aeab11731c6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2007-10-02T11:00:12Z",
    "title_canon_sha256": "63c01bb6f03473fe93a2709365d42f07aaa2ef532daf7c8f2eeb59b3d8c4ace2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.0491",
    "kind": "arxiv",
    "version": 2
  }
}