Pith Number

pith:DVKCQB3S

pith:2009:DVKCQB3SHRJSARJMR3WI7Y7RON

not attested not anchored not stored refs pending

A non-homogeneous method of third order for additive stiff systems of ordinary differential equations

Anton Tuzov, Evgeny Novikov

arxiv:0902.3723 v1 · 2009-02-21 · math.NA · cs.NA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVKCQB3SHRJSARJMR3WI7Y7RON}

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	2026-06-03T23:06:11.173781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d542807723c5320452c8eec8fe3f17345ab1d04a262e883233a2713b7edff98

Aliases

arxiv: 0902.3723 · arxiv_version: 0902.3723v1 · doi: 10.48550/arxiv.0902.3723 · pith_short_12: DVKCQB3SHRJS · pith_short_16: DVKCQB3SHRJSARJM · pith_short_8: DVKCQB3S

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/DVKCQB3SHRJSARJMR3WI7Y7RON \
  | 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: 1d542807723c5320452c8eec8fe3f17345ab1d04a262e883233a2713b7edff98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e221a4a4f07fd7741ce2dc8af46910e8c3e4cea77e2c3c7825db30be1e68bca5",
    "cross_cats_sorted": [
      "cs.NA",
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-02-21T07:34:57Z",
    "title_canon_sha256": "9fe5f8ced88c4ea7a68037312e3bf3abbf5195c84a098060481e585866d58e0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3723",
    "kind": "arxiv",
    "version": 1
  }
}