Pith Number

pith:KSVLDHHA

pith:2018:KSVLDHHASLQBGT4XZ4QNMBCCXI

not attested not anchored not stored refs pending

Bernstein-Bezier weight-adjusted discontinuous Galerkin methods for wave propagation in heterogeneous media

Jesse Chan, Kaihang Guo

arxiv:1808.08645 v2 · 2018-08-27 · 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{KSVLDHHASLQBGT4XZ4QNMBCCXI}

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	2026-05-17T23:51:39.429159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54aab19ce092e0134f97cf20d60442ba3cc6f54cda67fc88263996bc37f7b6da

Aliases

arxiv: 1808.08645 · arxiv_version: 1808.08645v2 · doi: 10.48550/arxiv.1808.08645 · pith_short_12: KSVLDHHASLQB · pith_short_16: KSVLDHHASLQBGT4X · pith_short_8: KSVLDHHA

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/KSVLDHHASLQBGT4XZ4QNMBCCXI \
  | 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: 54aab19ce092e0134f97cf20d60442ba3cc6f54cda67fc88263996bc37f7b6da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7355b21fbdcc4852bce392b1b344846f9a6f127995b79e8b30012f8d9e893ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-27T00:35:00Z",
    "title_canon_sha256": "4bd67deb0452106f631b77156fd4aedb12506f5934f36884a95f64221efc1517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08645",
    "kind": "arxiv",
    "version": 2
  }
}