Pith Number

pith:JPZ6TAWI

pith:2026:JPZ6TAWIDAYCOXZ5L5SM4O42EO

not attested not anchored not stored refs pending

Certified Seventh-Order Two-Derivative Hermite Deferred Correction via Node-Sweep Co-Design

Zhixin Huo

arxiv:2607.29217 v1 · 2026-07-31 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPZ6TAWIDAYCOXZ5L5SM4O42EO}

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	2026-08-03T01:21:50.635488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf3e982c81830275f3d5f64ce3b9a23abc07f5bcccd5644fb5501e11a01397f

Aliases

arxiv: 2607.29217 · arxiv_version: 2607.29217v1 · doi: 10.48550/arxiv.2607.29217 · pith_short_12: JPZ6TAWIDAYC · pith_short_16: JPZ6TAWIDAYCOXZ5 · pith_short_8: JPZ6TAWI

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/JPZ6TAWIDAYCOXZ5L5SM4O42EO \
  | 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: 4bf3e982c81830275f3d5f64ce3b9a23abc07f5bcccd5644fb5501e11a01397f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afd6b32c8cb44e05cef4e2c1ea41b23a1afc3c5ebe21fca2f9b5b0663bdedc16",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-31T09:40:47Z",
    "title_canon_sha256": "0c9ba0a965f0a96869363b16819830cbbcecbe36388672c14b69315b0fe94bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29217",
    "kind": "arxiv",
    "version": 1
  }
}