Pith Number

pith:5RPCROKN

pith:2023:5RPCROKNOAVKDTWKPQ3F6MJCTH

not attested not anchored not stored refs pending

Error estimates for finite element discretizations of the instationary Navier-Stokes equations

Boris Vexler, Jakob Wagner

arxiv:2307.14217 v2 · 2023-07-26 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5RPCROKNOAVKDTWKPQ3F6MJCTH}

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	2026-05-20T01:04:48.336110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec5e28b94d702aa1ceca7c365f312299f9f0376f81ec33954483e1ad215a06c5

Aliases

arxiv: 2307.14217 · arxiv_version: 2307.14217v2 · doi: 10.48550/arxiv.2307.14217 · pith_short_12: 5RPCROKNOAVK · pith_short_16: 5RPCROKNOAVKDTWK · pith_short_8: 5RPCROKN

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/5RPCROKNOAVKDTWKPQ3F6MJCTH \
  | 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: ec5e28b94d702aa1ceca7c365f312299f9f0376f81ec33954483e1ad215a06c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce403442b5804c0865d3cb2f9fb52c349bd47ecd402f9e007f6c90fdecddfed7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-07-26T14:35:05Z",
    "title_canon_sha256": "27a80e68f25de3d04b24acc0c0809a14c9af9209b4d61227cb59800da0c026e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.14217",
    "kind": "arxiv",
    "version": 2
  }
}