Pith Number

pith:HX2ANP5A

pith:2019:HX2ANP5ABQHV6E6O3B5SEN6SQ2

not attested not anchored not stored refs pending

An Adaptive ALE Scheme for Non-Ideal Compressible-Fluid Dynamics over Dynamic Unstructured Meshes

Alberto Guardone, Barbara Re

arxiv:1908.03547 v1 · 2019-08-09 · physics.comp-ph · cs.NA · math.NA · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HX2ANP5ABQHV6E6O3B5SEN6SQ2}

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	2026-07-04T23:52:40.788153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df406bfa00c0f5f13ced87b2237d28685f3692fa4e3c268316caf4d39742fc3

Aliases

arxiv: 1908.03547 · arxiv_version: 1908.03547v1 · doi: 10.48550/arxiv.1908.03547 · pith_short_12: HX2ANP5ABQHV · pith_short_16: HX2ANP5ABQHV6E6O · pith_short_8: HX2ANP5A

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/HX2ANP5ABQHV6E6O3B5SEN6SQ2 \
  | 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: 3df406bfa00c0f5f13ced87b2237d28685f3692fa4e3c268316caf4d39742fc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b435fb2025c94704e94cf120e89f68c153c164e54017585f4421b84bd5ccdc",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-08-09T17:18:06Z",
    "title_canon_sha256": "d525c4afd91452261ac4b37c7c28d6ca83be7c961fbed80d2cacbc53896d37b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03547",
    "kind": "arxiv",
    "version": 1
  }
}