Pith Number

pith:BTPXTPH3

pith:2017:BTPXTPH3QTUKXSFN5ALDCOTFD2

not attested not anchored not stored refs pending

On Spatial Discretization of Evolutionary Differential Equations on the Periodic Domain with a Mixed Derivative

Shun Sato, Takayasu Matsuo

arxiv:1704.03645 v2 · 2017-04-12 · math.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{BTPXTPH3QTUKXSFN5ALDCOTFD2}

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	2026-05-18T00:28:25.517857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cdf79bcfb84e8abc8ade816313a651ea43ceb9bdd1cfbd33b586181c3106541

Aliases

arxiv: 1704.03645 · arxiv_version: 1704.03645v2 · doi: 10.48550/arxiv.1704.03645 · pith_short_12: BTPXTPH3QTUK · pith_short_16: BTPXTPH3QTUKXSFN · pith_short_8: BTPXTPH3

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/BTPXTPH3QTUKXSFN5ALDCOTFD2 \
  | 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: 0cdf79bcfb84e8abc8ade816313a651ea43ceb9bdd1cfbd33b586181c3106541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b6e34cd2833f840436833e8cbcdfdc3f2bdc86b133ae9c408192931e0cee2f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-12T07:29:26Z",
    "title_canon_sha256": "21fc83be904b7b5f564c0a08a7321491cfcaa0e7b433d8bbd0d564554ada922f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03645",
    "kind": "arxiv",
    "version": 2
  }
}