Pith Number

pith:LFZGJNYR

pith:2019:LFZGJNYROCQFHHP6HIUIEA2G4Q

not attested not anchored not stored refs pending

Numerical modelling of shock-bubble interactions using a pressure-based algorithm without Riemann solvers

Berend van Wachem, Fabian Denner

arxiv:1907.01173 v2 · 2019-07-02 · physics.comp-ph · 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{LFZGJNYROCQFHHP6HIUIEA2G4Q}

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	2026-05-17T23:41:36.042851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

597264b71170a0539dfe3a28820346e43c279323a514eeeeea5dd8e91a032934

Aliases

arxiv: 1907.01173 · arxiv_version: 1907.01173v2 · doi: 10.48550/arxiv.1907.01173 · pith_short_12: LFZGJNYROCQF · pith_short_16: LFZGJNYROCQFHHP6 · pith_short_8: LFZGJNYR

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/LFZGJNYROCQFHHP6HIUIEA2G4Q \
  | 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: 597264b71170a0539dfe3a28820346e43c279323a514eeeeea5dd8e91a032934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b1259527ab698fa5a93c5793ec4f71f222c6222b0b93d722621ca267210206e",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-07-02T05:23:32Z",
    "title_canon_sha256": "11badd3750032027265fbaea3067d202fc5b7c3fb7308a8233358ec8a96faec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01173",
    "kind": "arxiv",
    "version": 2
  }
}