Pith Number

pith:WZM5QNPI

pith:2008:WZM5QNPIG7XKSLDNR3PWQRVLCO

not attested not anchored not stored refs pending

On dual Schur domain decomposition method for linear first-order transient problems

A. Prakash, K.B.Nakshatrala, K.D.Hjelmstad

arxiv:0807.2108 v2 · 2008-07-14 · cs.NA · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZM5QNPIG7XKSLDNR3PWQRVLCO}

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	2026-05-18T02:15:45.198471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b659d835e837eea92c6d8edf6846ab13bd9c3e3393d9376449db919c550eb036

Aliases

arxiv: 0807.2108 · arxiv_version: 0807.2108v2 · doi: 10.48550/arxiv.0807.2108 · pith_short_12: WZM5QNPIG7XK · pith_short_16: WZM5QNPIG7XKSLDN · pith_short_8: WZM5QNPI

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/WZM5QNPIG7XKSLDNR3PWQRVLCO \
  | 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: b659d835e837eea92c6d8edf6846ab13bd9c3e3393d9376449db919c550eb036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "890107928a870ca871006ff75405a6d8571a4fe54fc009d67d559e9b99e25e85",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2008-07-14T08:10:33Z",
    "title_canon_sha256": "775a4ae103053fa2633557541f896c0d115a0fe2660ea2f60eca944f29369099"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2108",
    "kind": "arxiv",
    "version": 2
  }
}