Pith Number

pith:ZD44TCDI

pith:2013:ZD44TCDIQDVJKJEN7DGKNTFJZC

not attested not anchored not stored refs pending

A comparison of high order explicit Runge-Kutta, extrapolation, and deferred correction methods in serial and parallel

David I. Ketcheson, Umair Bin Waheed

arxiv:1305.6165 v3 · 2013-05-27 · 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{ZD44TCDIQDVJKJEN7DGKNTFJZC}

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	2026-05-18T01:22:25.319782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8f9c9886880ea95248df8cca6cca9c8b51831d8d5e86d3590139896657e15dc

Aliases

arxiv: 1305.6165 · arxiv_version: 1305.6165v3 · doi: 10.48550/arxiv.1305.6165 · pith_short_12: ZD44TCDIQDVJ · pith_short_16: ZD44TCDIQDVJKJEN · pith_short_8: ZD44TCDI

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/ZD44TCDIQDVJKJEN7DGKNTFJZC \
  | 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: c8f9c9886880ea95248df8cca6cca9c8b51831d8d5e86d3590139896657e15dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e066d9860d2b734713350daed365e4c24b3abf139c37e40af050e662a91261c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-27T10:07:03Z",
    "title_canon_sha256": "916e7a66408e579f018713774b962fb74bc04adfd7e8fa67c9e8cfeb9e0748e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6165",
    "kind": "arxiv",
    "version": 3
  }
}