Pith Number

pith:O6X52HTG

pith:2016:O6X52HTGQEOZX5CFYFDF3CG644

not attested not anchored not stored refs pending

Simultaneous Approximation Terms for Multi-Dimensional Summation-by-Parts Operators

David C. Del Rey Fern\'andez, David W. Zingg, Jason E. Hicken

arxiv:1605.03214 v2 · 2016-05-10 · 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{O6X52HTGQEOZX5CFYFDF3CG644}

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	2026-05-18T01:09:41.491173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77afdd1e66811d9bf445c1465d88dee73fb806066272e8e37e269a9b80b79dc5

Aliases

arxiv: 1605.03214 · arxiv_version: 1605.03214v2 · doi: 10.48550/arxiv.1605.03214 · pith_short_12: O6X52HTGQEOZ · pith_short_16: O6X52HTGQEOZX5CF · pith_short_8: O6X52HTG

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/O6X52HTGQEOZX5CFYFDF3CG644 \
  | 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: 77afdd1e66811d9bf445c1465d88dee73fb806066272e8e37e269a9b80b79dc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69ed226a396a33ca67552c46a00181922d08faa8c39165854fa2e78678f9eb50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-05-10T21:11:14Z",
    "title_canon_sha256": "567685cfc365eb4dbfe78e313411bebc6291caa6d57bb6d3c187e6a9f667b71b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03214",
    "kind": "arxiv",
    "version": 2
  }
}