Pith Number

pith:NTJTDRRJ

pith:2017:NTJTDRRJEXV7VUNTAE7EWOM24H

not attested not anchored not stored refs pending

Conservative finite volume schemes for the quasi-geostrophic equation on coastal-conforming unstructured primal-dual meshes

Lili Ju, Qingshan Chen

arxiv:1709.02468 v2 · 2017-09-07 · math.NA · math.AP · physics.geo-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{NTJTDRRJEXV7VUNTAE7EWOM24H}

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	2026-05-18T00:03:19.504990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cd331c62925ebfad1b3013e4b399ae1d304028e894bfaa79ca7ac6a9e04105d

Aliases

arxiv: 1709.02468 · arxiv_version: 1709.02468v2 · doi: 10.48550/arxiv.1709.02468 · pith_short_12: NTJTDRRJEXV7 · pith_short_16: NTJTDRRJEXV7VUNT · pith_short_8: NTJTDRRJ

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/NTJTDRRJEXV7VUNTAE7EWOM24H \
  | 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: 6cd331c62925ebfad1b3013e4b399ae1d304028e894bfaa79ca7ac6a9e04105d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2627a4d98713e01a26ef032c8df168942e2c9f03de415791a6091a9568cabba7",
    "cross_cats_sorted": [
      "math.AP",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-07T22:09:07Z",
    "title_canon_sha256": "e2b51432f5afe4f8a345fd8fa8d0ee14d71b2154f83331a131a1beb0a8976b34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02468",
    "kind": "arxiv",
    "version": 2
  }
}