Pith Number

pith:7EEH3HTW

pith:2018:7EEH3HTWFWO2QKURF7QZ5SDYDM

not attested not anchored not stored refs pending

Free-Stream Preservation for Curved Geometrically Non-Conforming Discontinuous Galerkin Spectral Elements

David A. Kopriva, Florian Hindenlang, Gregor J. Gassner, Thomas Boleman

arxiv:1809.05206 v2 · 2018-09-13 · 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{7EEH3HTWFWO2QKURF7QZ5SDYDM}

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	2026-05-17T23:41:24.930516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9087d9e762d9da82a912fe19ec8781b17a238e851464ba1cf798de6bc99925a

Aliases

arxiv: 1809.05206 · arxiv_version: 1809.05206v2 · doi: 10.48550/arxiv.1809.05206 · pith_short_12: 7EEH3HTWFWO2 · pith_short_16: 7EEH3HTWFWO2QKUR · pith_short_8: 7EEH3HTW

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/7EEH3HTWFWO2QKURF7QZ5SDYDM \
  | 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: f9087d9e762d9da82a912fe19ec8781b17a238e851464ba1cf798de6bc99925a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dbcae8cc5227a7a6e88a15ac9bb39eabc61a733278665b9d4df9c90eb841c36",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-13T23:32:24Z",
    "title_canon_sha256": "1ad05b3cec876e6ff27d15cd9db1a129ed0bb4dcb4fe808029e1b8338e998ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05206",
    "kind": "arxiv",
    "version": 2
  }
}