Pith Number

pith:7RS6JNZD

pith:2018:7RS6JNZDIPEJYGTFQSSHGFNSER

not attested not anchored not stored refs pending

Semi-conservative reduced speed of sound technique for low Mach number flows with large density variations

H. Hotta, H. Iijima, S. Imada

arxiv:1812.04135 v1 · 2018-12-10 · physics.comp-ph · astro-ph.SR · physics.flu-dyn · physics.plasm-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{7RS6JNZDIPEJYGTFQSSHGFNSER}

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	2026-05-17T23:54:08.267558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc65e4b72343c89c1a6584a47315b2245f9aba26ea6e38f6b36ea77510ab52d7

Aliases

arxiv: 1812.04135 · arxiv_version: 1812.04135v1 · doi: 10.48550/arxiv.1812.04135 · pith_short_12: 7RS6JNZDIPEJ · pith_short_16: 7RS6JNZDIPEJYGTF · pith_short_8: 7RS6JNZD

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/7RS6JNZDIPEJYGTFQSSHGFNSER \
  | 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: fc65e4b72343c89c1a6584a47315b2245f9aba26ea6e38f6b36ea77510ab52d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc3966e8c7eda6b95c8eca67c4693732f2e67ca842f6cfe1120185969602400c",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.flu-dyn",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-12-10T22:31:36Z",
    "title_canon_sha256": "3f3c4fe6831c2207cf7d9a8d0f1381e70289ada674506ed442a8e85bdae9e0ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04135",
    "kind": "arxiv",
    "version": 1
  }
}