Pith Number

pith:XFH3EDY2

pith:2023:XFH3EDY2QCXGNVDTMR2XQ5QXNJ

not attested not anchored not stored refs pending

Implicit low-rank Riemannian schemes for the time integration of stiff partial differential equations

Bart Vandereycken, Marco Sutti

arxiv:2305.11532 v1 · 2023-05-19 · math.NA · cs.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{XFH3EDY2QCXGNVDTMR2XQ5QXNJ}

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	2026-06-01T01:03:38.232435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94fb20f1a80ae66d47364757876176a6f261fa3436800000d1c25f53a5d0ab4

Aliases

arxiv: 2305.11532 · arxiv_version: 2305.11532v1 · doi: 10.48550/arxiv.2305.11532 · pith_short_12: XFH3EDY2QCXG · pith_short_16: XFH3EDY2QCXGNVDT · pith_short_8: XFH3EDY2

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/XFH3EDY2QCXGNVDTMR2XQ5QXNJ \
  | 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: b94fb20f1a80ae66d47364757876176a6f261fa3436800000d1c25f53a5d0ab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a2a78df6f01136a726e9a0a5a5575fc2cea3cc7428bb2203633c3acd28b1a7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-05-19T08:57:13Z",
    "title_canon_sha256": "38dcf42602326a7c3faaf58ed3c3e0c0686fbc1da385154874910182376a31a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.11532",
    "kind": "arxiv",
    "version": 1
  }
}