Pith Number

pith:ODVQMBMP

pith:2019:ODVQMBMPLKX4ROCQJDMKKZIBHL

not attested not anchored not stored refs pending

Elimination of spectral blocking by ensuring rotation-free property of discretised pressure gradient within a spectral semi-implicit semi-Lagrangian global atmospheric model

Daisuke Hotta, Masashi Ujiie

arxiv:1908.11686 v1 · 2019-08-21 · physics.ao-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{ODVQMBMPLKX4ROCQJDMKKZIBHL}

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	2026-07-05T00:00:38.767760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70eb06058f5aafc8b85048d8a565013ad497cae5641ec3561532663c4efa9ff4

Aliases

arxiv: 1908.11686 · arxiv_version: 1908.11686v1 · doi: 10.48550/arxiv.1908.11686 · pith_short_12: ODVQMBMPLKX4 · pith_short_16: ODVQMBMPLKX4ROCQ · pith_short_8: ODVQMBMP

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/ODVQMBMPLKX4ROCQJDMKKZIBHL \
  | 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: 70eb06058f5aafc8b85048d8a565013ad497cae5641ec3561532663c4efa9ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9609b76525ee8ca5f4c530ea6838ba87d2384a541b2c2b21799980499fff21c4",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2019-08-21T01:41:03Z",
    "title_canon_sha256": "bdbbf2ee4f8c5fbeb326e641f9583c6c120568b99a6e379c04eeb40b62fb777f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11686",
    "kind": "arxiv",
    "version": 1
  }
}