Pith Number

pith:MXZIUDM7

pith:2013:MXZIUDM7PUBRCYIQFALF6PPT7F

not attested not anchored not stored refs pending

A multi-level spectral deferred correction method

Daniel Ruprecht, Matthew Emmett, Matthias Bolten, Michael Minion, Robert Speck, Rolf Krause

arxiv:1307.1312 v4 · 2013-07-04 · 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{MXZIUDM7PUBRCYIQFALF6PPT7F}

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	2026-05-18T01:30:49.466167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65f28a0d9f7d0311611028165f3df3f9489eee8b52c8efda31fe02c05147af1e

Aliases

arxiv: 1307.1312 · arxiv_version: 1307.1312v4 · doi: 10.48550/arxiv.1307.1312 · pith_short_12: MXZIUDM7PUBR · pith_short_16: MXZIUDM7PUBRCYIQ · pith_short_8: MXZIUDM7

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/MXZIUDM7PUBRCYIQFALF6PPT7F \
  | 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: 65f28a0d9f7d0311611028165f3df3f9489eee8b52c8efda31fe02c05147af1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24e6ea78a624240de99d914cb5823bb081fd9816f0427426658f481738987122",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-04T12:50:26Z",
    "title_canon_sha256": "ae3cc6ac045851df9000b93b6ad4e7072b3a94c7aac94c6fd237271cc5f0957f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1312",
    "kind": "arxiv",
    "version": 4
  }
}