Pith Number

pith:NWITVUSL

pith:2015:NWITVUSLAYGOMYWQC7NNMBA7NR

not attested not anchored not stored refs pending

On Gakerkin approximations for the surface-active quasigeostrophic equations

Cesar B. Rocha, Ian Grooms, William R. Young

arxiv:1504.03361 v2 · 2015-04-13 · physics.ao-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{NWITVUSLAYGOMYWQC7NNMBA7NR}

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	2026-05-18T01:16:50.865308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d913ad24b060ce662d017dad6041f6c4f00a08ee14da3b1e32c4efbd701b29c

Aliases

arxiv: 1504.03361 · arxiv_version: 1504.03361v2 · doi: 10.48550/arxiv.1504.03361 · pith_short_12: NWITVUSLAYGO · pith_short_16: NWITVUSLAYGOMYWQ · pith_short_8: NWITVUSL

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/NWITVUSLAYGOMYWQC7NNMBA7NR \
  | 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: 6d913ad24b060ce662d017dad6041f6c4f00a08ee14da3b1e32c4efbd701b29c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5921d04de2eb9edfdb99cfbf207205da12ee3718de1ab940b4bf019d963f114",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2015-04-13T20:54:37Z",
    "title_canon_sha256": "c084e2a985f064894266eaf5639ed399467d14b0253c1695d93b07f23a7c4c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03361",
    "kind": "arxiv",
    "version": 2
  }
}