Pith Number

pith:4FV6ZDSA

pith:2019:4FV6ZDSAV6LBIVFR4XWFZQDW3M

not attested not anchored not stored refs pending

A stabilized DG cut cell method for discretizing the linear transport equation

Andreas N\"u{\ss}ing, Christian Engwer, Florian Streitb\"urger, Sandra May

arxiv:1906.05642 v1 · 2019-06-13 · math.NA · cs.CE · cs.NA · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FV6ZDSAV6LBIVFR4XWFZQDW3M}

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	2026-05-17T23:43:24.735890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e16bec8e40af961454b1e5ec5cc076db2cf4d2e9b385499502e9ae66d62678af

Aliases

arxiv: 1906.05642 · arxiv_version: 1906.05642v1 · doi: 10.48550/arxiv.1906.05642 · pith_short_12: 4FV6ZDSAV6LB · pith_short_16: 4FV6ZDSAV6LBIVFR · pith_short_8: 4FV6ZDSA

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/4FV6ZDSAV6LBIVFR4XWFZQDW3M \
  | 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: e16bec8e40af961454b1e5ec5cc076db2cf4d2e9b385499502e9ae66d62678af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf2eeadae85126c0b4ee484124ffb393ef7bd8991f2fc84dc06d386ba780357",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-06-13T12:59:28Z",
    "title_canon_sha256": "6e8698caff76660560ad658bcdda0173b47dcf362c81f9c8aae01ae9a98b91d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05642",
    "kind": "arxiv",
    "version": 1
  }
}