Pith Number

pith:47W2MUX6

pith:2018:47W2MUX62KQBMTFPBVJF6JPXVY

not attested not anchored not stored refs pending

Multiscale stabilization for convection diffusion equations with heterogeneous velocity and diffusion coefficients

Eric T. Chung, Wing Tat Leung, Yalchin Efendiev

arxiv:1807.11529 v1 · 2018-07-30 · math.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{47W2MUX62KQBMTFPBVJF6JPXVY}

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	2026-05-18T00:09:21.976505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7eda652fed2a0164caf0d525f25f7ae36abf8d59fa8c30c4f3f8539c52a747b

Aliases

arxiv: 1807.11529 · arxiv_version: 1807.11529v1 · doi: 10.48550/arxiv.1807.11529 · pith_short_12: 47W2MUX62KQB · pith_short_16: 47W2MUX62KQBMTFP · pith_short_8: 47W2MUX6

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/47W2MUX62KQBMTFPBVJF6JPXVY \
  | 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: e7eda652fed2a0164caf0d525f25f7ae36abf8d59fa8c30c4f3f8539c52a747b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8baa28ecdc2bdcbefe15def6be6a71cbda9161f851454174715c9a676833f9fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-30T19:05:10Z",
    "title_canon_sha256": "d67bf0e85dc04e34e49f6b1738962b32711d3e1ff7848e8701cbdaa54b0699d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11529",
    "kind": "arxiv",
    "version": 1
  }
}