Pith Number

pith:GP73AHRX

pith:2018:GP73AHRXGXLT2F5GXRN2S6YJRP

not attested not anchored not stored refs pending

Optimal Residuals and the Dahlquist Test Problem

C. Yalcin Kaya, Robert H. C. Moir, Robert M. Corless

arxiv:1805.10976 v1 · 2018-05-28 · 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{GP73AHRXGXLT2F5GXRN2S6YJRP}

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	2026-05-18T00:14:48.658165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33ffb01e3735d73d17a6bc5ba97b098bf40768e2ad588b39dda544578ddc2fa6

Aliases

arxiv: 1805.10976 · arxiv_version: 1805.10976v1 · doi: 10.48550/arxiv.1805.10976 · pith_short_12: GP73AHRXGXLT · pith_short_16: GP73AHRXGXLT2F5G · pith_short_8: GP73AHRX

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/GP73AHRXGXLT2F5GXRN2S6YJRP \
  | 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: 33ffb01e3735d73d17a6bc5ba97b098bf40768e2ad588b39dda544578ddc2fa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "019f873c8ce52ceeb92c430ab3f209d53fc3bbeff4f140b16c64727b9c34d8e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-28T15:33:49Z",
    "title_canon_sha256": "1a9b0c3c1fcb8b30eaffe65d396256bf0858ac9b6d2fbeff4b02f3c041713baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10976",
    "kind": "arxiv",
    "version": 1
  }
}