Pith Number

pith:R4Q3V2WO

pith:2018:R4Q3V2WOZCXOR4A3BWGUHRJJKW

not attested not anchored not stored refs pending

An invariant-region-preserving limiter for DG schemes to isentropic Euler equations

Hailiang Liu, Yi Jiang

arxiv:1804.08825 v1 · 2018-04-24 · 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{R4Q3V2WOZCXOR4A3BWGUHRJJKW}

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	2026-05-18T00:17:37.200562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f21baeacec8aee8f01b0d8d43c52955993afe0a61783aa276211f442dab9351

Aliases

arxiv: 1804.08825 · arxiv_version: 1804.08825v1 · doi: 10.48550/arxiv.1804.08825 · pith_short_12: R4Q3V2WOZCXO · pith_short_16: R4Q3V2WOZCXOR4A3 · pith_short_8: R4Q3V2WO

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/R4Q3V2WOZCXOR4A3BWGUHRJJKW \
  | 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: 8f21baeacec8aee8f01b0d8d43c52955993afe0a61783aa276211f442dab9351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "576ac99b173f2ed3ec7ae6e70b258139ff86bf61078e93904b2db6077458dec2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-24T03:09:31Z",
    "title_canon_sha256": "ca9e53fb49ba8193eb8892da28afbd5912e82379ed612f349208655e80fa1dc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08825",
    "kind": "arxiv",
    "version": 1
  }
}