pith. sign in
Pith Number

pith:5MKXZ52G

pith:2017:5MKXZ52GAOBMBANJVOZRH5CRXV
not attested not anchored not stored refs pending

Numerical approximations to the scaled first derivatives of a two parameter singularly perturbed problem

Eugene O'Riordan, Maria Pickett

arxiv:1708.00682 v1 · 2017-08-02 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5MKXZ52GAOBMBANJVOZRH5CRXV}

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 2026-05-18T00:38:44.992621Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

eb157cf7460382c081a9abb313f451bd4122ed053d1590d548d4d4a9aed50c26

Aliases

arxiv: 1708.00682 · arxiv_version: 1708.00682v1 · doi: 10.48550/arxiv.1708.00682 · pith_short_12: 5MKXZ52GAOBM · pith_short_16: 5MKXZ52GAOBMBANJ · pith_short_8: 5MKXZ52G
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5MKXZ52GAOBMBANJVOZRH5CRXV \
  | 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: eb157cf7460382c081a9abb313f451bd4122ed053d1590d548d4d4a9aed50c26
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "aa60a7c26ba64f9fe2d4c017822a4cc97424d885bf210d37ddde1804960da37c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-02T10:18:48Z",
    "title_canon_sha256": "addb65f08ac56e2d1701bda23515f1438dc214ff8d8bb811b6262d30c0d60832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00682",
    "kind": "arxiv",
    "version": 1
  }
}