Pith Number

pith:XMY4YM6P

pith:2020:XMY4YM6PMVZ2MIMCEL5BR6P4NE

not attested not anchored not stored refs pending

An experimental comparison of a space-time multigrid method with PFASST for a reaction-diffusion problem

Michael Minion, Pietro Benedusi, Rolf Krause

arxiv:2006.12883 v2 · 2020-06-23 · 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{XMY4YM6PMVZ2MIMCEL5BR6P4NE}

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	2026-07-05T02:05:07.352515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb31cc33cf6573a6218222fa18f9fc6912ef8b1c822f65b0b5390cd0a212e492

Aliases

arxiv: 2006.12883 · arxiv_version: 2006.12883v2 · doi: 10.48550/arxiv.2006.12883 · pith_short_12: XMY4YM6PMVZ2 · pith_short_16: XMY4YM6PMVZ2MIMC · pith_short_8: XMY4YM6P

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/XMY4YM6PMVZ2MIMCEL5BR6P4NE \
  | 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: bb31cc33cf6573a6218222fa18f9fc6912ef8b1c822f65b0b5390cd0a212e492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb2151566eb0d98459c952a80912159f9b866bce2410cb1465dac07f5cd1564",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-06-23T10:23:16Z",
    "title_canon_sha256": "d5c048084e85e5aa633239512c98dbc955d9e1c95c2df19df42c14321d5cea5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.12883",
    "kind": "arxiv",
    "version": 2
  }
}