Pith Number

pith:Q54DRA57

pith:2018:Q54DRA57WG5EBSFU5BYBKLNXQA

not attested not anchored not stored refs pending

A locally conservative and energy-stable finite element for the Navier--Stokes problem on time-dependent domains

Sander Rhebergen, Tamas L. Horvath

arxiv:1812.00218 v1 · 2018-12-01 · 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{Q54DRA57WG5EBSFU5BYBKLNXQA}

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	2026-06-04T20:13:44.778400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87783883bfb1ba40c8b4e870152db78023757bb13425b8774b7cc20be54f79b2

Aliases

arxiv: 1812.00218 · arxiv_version: 1812.00218v1 · doi: 10.48550/arxiv.1812.00218 · pith_short_12: Q54DRA57WG5E · pith_short_16: Q54DRA57WG5EBSFU · pith_short_8: Q54DRA57

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/Q54DRA57WG5EBSFU5BYBKLNXQA \
  | 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: 87783883bfb1ba40c8b4e870152db78023757bb13425b8774b7cc20be54f79b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e90b3b99fcc801dcc4e3c68048ac15eb1ee9ac20cba77d11403a20ed33e0438",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-01T15:36:33Z",
    "title_canon_sha256": "51e570e90e967eff8989d45d97dd8fc80656883f71d604d5057240a2e2200502"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00218",
    "kind": "arxiv",
    "version": 1
  }
}