Pith Number

pith:UVPRW3Z3

pith:2026:UVPRW3Z3Z7H4RX4L52A6X2MKPK

not attested not anchored not stored refs pending

A fully discrete Active Flux method for the Euler equations comparing different truly multi-dimensional evolution operators

Amelie Porfetye, Christiane Helzel

arxiv:2606.21303 v1 · 2026-06-19 · 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{UVPRW3Z3Z7H4RX4L52A6X2MKPK}

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	2026-06-23T01:12:36.591495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a55f1b6f3bcfcfc8df8bee81ebe98a7ab7ca33c36e35c3f3d2b487302d3a3d90

Aliases

arxiv: 2606.21303 · arxiv_version: 2606.21303v1 · doi: 10.48550/arxiv.2606.21303 · pith_short_12: UVPRW3Z3Z7H4 · pith_short_16: UVPRW3Z3Z7H4RX4L · pith_short_8: UVPRW3Z3

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/UVPRW3Z3Z7H4RX4L52A6X2MKPK \
  | 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: a55f1b6f3bcfcfc8df8bee81ebe98a7ab7ca33c36e35c3f3d2b487302d3a3d90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98fc41928b0ab77c718bef970708174511559d0f595edf3a7cba09fdb37e229b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-19T10:28:25Z",
    "title_canon_sha256": "187a41836d1039a1773f4c01a40fe020d1c44a6a529f07b7bafe4f13ecac2375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21303",
    "kind": "arxiv",
    "version": 1
  }
}