Pith Number

pith:QLIVT5RW

pith:2016:QLIVT5RW2IKJPTD4RSZ22CYS3E

not attested not anchored not stored refs pending

A mass, energy, enstrophy and vorticity conserving (MEEVC) mimetic spectral element discretization for the 2D incompressible Navier-Stokes equations

Artur Palha, Marc Gerritsma

arxiv:1604.00257 v1 · 2016-04-01 · 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{QLIVT5RW2IKJPTD4RSZ22CYS3E}

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	2026-05-18T00:54:37.139771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82d159f636d21497cc7c8cb3ad0b12d9366cd8aaec002faa9adb856e44adf200

Aliases

arxiv: 1604.00257 · arxiv_version: 1604.00257v1 · doi: 10.48550/arxiv.1604.00257 · pith_short_12: QLIVT5RW2IKJ · pith_short_16: QLIVT5RW2IKJPTD4 · pith_short_8: QLIVT5RW

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/QLIVT5RW2IKJPTD4RSZ22CYS3E \
  | 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: 82d159f636d21497cc7c8cb3ad0b12d9366cd8aaec002faa9adb856e44adf200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf52f6df1128d349fee19fe51920e8bf8fb7da278e73dc53ad4bc5f8e3460387",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-04-01T14:19:05Z",
    "title_canon_sha256": "5a424665db29fa2d828cda493a011fd826367ede69b53808902e217df38ca55f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00257",
    "kind": "arxiv",
    "version": 1
  }
}