Pith Number

pith:XARDDWJ7

pith:2016:XARDDWJ7ALTUKMICX77CEGMY3P

not attested not anchored not stored refs pending

Smooth subgrid fields underpin rigorous closure in spatial discretisation of reaction-advection-diffusion PDEs

A. J. Roberts, G. A. Jarrad

arxiv:1602.01184 v1 · 2016-02-03 · math.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XARDDWJ7ALTUKMICX77CEGMY3P}

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	2026-05-18T01:21:20.884963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b82231d93f02e7453102bffe221998dbe9c4208844fe9af2e19cc7c1102e8b75

Aliases

arxiv: 1602.01184 · arxiv_version: 1602.01184v1 · doi: 10.48550/arxiv.1602.01184 · pith_short_12: XARDDWJ7ALTU · pith_short_16: XARDDWJ7ALTUKMIC · pith_short_8: XARDDWJ7

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/XARDDWJ7ALTUKMICX77CEGMY3P \
  | 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: b82231d93f02e7453102bffe221998dbe9c4208844fe9af2e19cc7c1102e8b75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77dde4f8a126f57d2c296cc6c677ce883886781f8b858c3783d8586c263270e2",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-03T04:06:43Z",
    "title_canon_sha256": "b1fe7b0acffba764eadd5ac0bcf2a2bd9ed7c7afc8981da2d64fb4e86b3f7fe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01184",
    "kind": "arxiv",
    "version": 1
  }
}