Pith Number

pith:GY2NGPLF

pith:2014:GY2NGPLFIDST2IEB22TIXNW65X

not attested not anchored not stored refs pending

Variable-step finite difference schemes for the solution of Sturm-Liouville problems

Giuseppina Settanni, Pierluigi Amodio

arxiv:1401.4294 v1 · 2014-01-17 · 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{GY2NGPLFIDST2IEB22TIXNW65X}

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	2026-05-18T01:45:19.729150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3634d33d6540e53d2081d6a68bb6deedde53f18b5ae07cc935215ee26deb29c0

Aliases

arxiv: 1401.4294 · arxiv_version: 1401.4294v1 · doi: 10.48550/arxiv.1401.4294 · pith_short_12: GY2NGPLFIDST · pith_short_16: GY2NGPLFIDST2IEB · pith_short_8: GY2NGPLF

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/GY2NGPLFIDST2IEB22TIXNW65X \
  | 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: 3634d33d6540e53d2081d6a68bb6deedde53f18b5ae07cc935215ee26deb29c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad6a68bddc825cfd79eae75f2cb3a4730f2d36901ef3b3526ff17516e32bf3a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-17T10:25:23Z",
    "title_canon_sha256": "93513eb6708c3630a5d439687d4d9545ac99c29a5bd7917d6ae726f4a1b21218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4294",
    "kind": "arxiv",
    "version": 1
  }
}