Pith Number

pith:LAUWZBW2

pith:2014:LAUWZBW26XRT63SJMZ2CRABZOZ

not attested not anchored not stored refs pending

Parareal for diffusion problems with space- and time-dependent coefficients

Daniel Ruprecht, Robert Speck, Rolf Krause

arxiv:1401.7829 v1 · 2014-01-30 · 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{LAUWZBW26XRT63SJMZ2CRABZOZ}

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	2026-05-18T01:18:57.678999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58296c86daf5e33f6e496674288039767b5ffd6bfd6f23895adb91e0eca72a8a

Aliases

arxiv: 1401.7829 · arxiv_version: 1401.7829v1 · doi: 10.48550/arxiv.1401.7829 · pith_short_12: LAUWZBW26XRT · pith_short_16: LAUWZBW26XRT63SJ · pith_short_8: LAUWZBW2

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/LAUWZBW26XRT63SJMZ2CRABZOZ \
  | 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: 58296c86daf5e33f6e496674288039767b5ffd6bfd6f23895adb91e0eca72a8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a71947edfbf4c8fab5df189680f75a0d13be01377a4f64833b9d784ffe031942",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-30T12:46:13Z",
    "title_canon_sha256": "765e1d6836bcd3d5a5de0a885ac8afd33f24547318603e433d7b101e2bb11330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7829",
    "kind": "arxiv",
    "version": 1
  }
}