Pith Number

pith:2A4KDYB7

pith:2014:2A4KDYB7IGSOHVFTEFEBCRFBCW

not attested not anchored not stored refs pending

High order schemes based on operator splitting and deferred corrections for stiff time dependent PDEs

Matthew Emmett (LBNL), Max Duarte (LBNL)

arxiv:1407.0195 v2 · 2014-07-01 · math.NA · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2A4KDYB7IGSOHVFTEFEBCRFBCW}

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	2026-05-18T01:17:57.474411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d038a1e03f41a4e3d4b321481144a11589c3211e1d056539a5d09a7d689d868e

Aliases

arxiv: 1407.0195 · arxiv_version: 1407.0195v2 · doi: 10.48550/arxiv.1407.0195 · pith_short_12: 2A4KDYB7IGSO · pith_short_16: 2A4KDYB7IGSOHVFT · pith_short_8: 2A4KDYB7

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/2A4KDYB7IGSOHVFTEFEBCRFBCW \
  | 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: d038a1e03f41a4e3d4b321481144a11589c3211e1d056539a5d09a7d689d868e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab5bb7c5527791b17ffa822dc3e9a5e84df49c480f68e0dbb14cf177880e28e1",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-01T11:31:19Z",
    "title_canon_sha256": "8a3707542e9fb5d8e5844291d5667fe67f4391413fce8a7c73c99d19ae32686f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0195",
    "kind": "arxiv",
    "version": 2
  }
}