Pith Number

pith:WQJOGGQ4

pith:2013:WQJOGGQ475RAU54GALR2JWWML7

not attested not anchored not stored refs pending

Review of Summation-by-parts schemes for initial-boundary-value problems

Jan Nordstr\"om, Magnus Sv\"ard

arxiv:1311.4984 v1 · 2013-11-20 · 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{WQJOGGQ475RAU54GALR2JWWML7}

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	2026-05-18T01:46:22.607768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b412e31a1cff620a778602e3a4dacc5ff847f7de0a0ea9985dd44e66e124b934

Aliases

arxiv: 1311.4984 · arxiv_version: 1311.4984v1 · doi: 10.48550/arxiv.1311.4984 · pith_short_12: WQJOGGQ475RA · pith_short_16: WQJOGGQ475RAU54G · pith_short_8: WQJOGGQ4

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/WQJOGGQ475RAU54GALR2JWWML7 \
  | 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: b412e31a1cff620a778602e3a4dacc5ff847f7de0a0ea9985dd44e66e124b934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3ba6a82ae8e8a8768170d64cc300907497f2a32153f9f6b58d083943d42de0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-11-20T09:01:55Z",
    "title_canon_sha256": "3d604b86a19b802f1d1277680557cb8e37c6f6ed63a9ca0970a916cc4a71a18c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4984",
    "kind": "arxiv",
    "version": 1
  }
}