Pith Number

pith:LE4GOR2U

pith:2014:LE4GOR2UHC73ZDRLONLEIDMRIW

not attested not anchored not stored refs pending

On the Proper Setup of the Double Mach Reflection as a Test Case for the Resolution of Gas Dynamics Codes

Friedemann Kemm

arxiv:1404.6510 v2 · 2014-04-25 · 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{LE4GOR2UHC73ZDRLONLEIDMRIW}

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	2026-05-18T02:52:47.776224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

593867475438bfbc8e2b7356440d914580abca5ba5999474e9b7ac649f6d7acb

Aliases

arxiv: 1404.6510 · arxiv_version: 1404.6510v2 · doi: 10.48550/arxiv.1404.6510 · pith_short_12: LE4GOR2UHC73 · pith_short_16: LE4GOR2UHC73ZDRL · pith_short_8: LE4GOR2U

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/LE4GOR2UHC73ZDRLONLEIDMRIW \
  | 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: 593867475438bfbc8e2b7356440d914580abca5ba5999474e9b7ac649f6d7acb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a8121fa15bd66543b5ea2eada60a9661d7d7bb42b1bd07264b153da95565a8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2014-04-25T19:30:31Z",
    "title_canon_sha256": "fa2b33edd322345bf03885a46f4a6bbdb45ca5d9eedf99187a5a1c29893500b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6510",
    "kind": "arxiv",
    "version": 2
  }
}