Pith Number

pith:7STJRVUV

pith:2019:7STJRVUVL45EO4NFGJXRHGRC43

not attested not anchored not stored refs pending

An energy-based discontinuous Galerkin method for the wave equation with advection

Daniel Appelo, Lu Zhang, Thomas Hagstrom

arxiv:1903.06947 v1 · 2019-03-16 · 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{7STJRVUVL45EO4NFGJXRHGRC43}

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	2026-05-17T23:51:06.654662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fca698d6955f3a4771a5326f139a22e6d52f99d2286d83e962711afdd5bb891d

Aliases

arxiv: 1903.06947 · arxiv_version: 1903.06947v1 · doi: 10.48550/arxiv.1903.06947 · pith_short_12: 7STJRVUVL45E · pith_short_16: 7STJRVUVL45EO4NF · pith_short_8: 7STJRVUV

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/7STJRVUVL45EO4NFGJXRHGRC43 \
  | 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: fca698d6955f3a4771a5326f139a22e6d52f99d2286d83e962711afdd5bb891d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915aea987881169bd58e147ddbed2872ac2a0ae4a372a403d820bed79a46dc05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-16T15:50:10Z",
    "title_canon_sha256": "61d1a81f4113ce432165bc20d4921edeee3246cd2bbc6495ff56a06fac4c0f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06947",
    "kind": "arxiv",
    "version": 1
  }
}