Pith Number

pith:A6ATVICO

pith:2017:A6ATVICOP7DMYTMLX6Q64KJN5H

not attested not anchored not stored refs pending

Cluster-based Generalized Multiscale Finite Element Method for elliptic PDEs with random coefficients

Eric T. Chung, Wing Tat Leung, Yalchin Efendiev, Zhiwen Zhang

arxiv:1711.01990 v1 · 2017-11-06 · 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{A6ATVICOP7DMYTMLX6Q64KJN5H}

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	2026-05-18T00:09:19.372724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07813aa04e7fc6cc4d8bbfa1ee292de9cf8600cb36cc5ccb2ff4c45bd4cede2d

Aliases

arxiv: 1711.01990 · arxiv_version: 1711.01990v1 · doi: 10.48550/arxiv.1711.01990 · pith_short_12: A6ATVICOP7DM · pith_short_16: A6ATVICOP7DMYTML · pith_short_8: A6ATVICO

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/A6ATVICOP7DMYTMLX6Q64KJN5H \
  | 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: 07813aa04e7fc6cc4d8bbfa1ee292de9cf8600cb36cc5ccb2ff4c45bd4cede2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c29e24dd5185ab1169bc548519f1571cc9fabb24ad1aa5f37b6404e9412c5ad0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-06T16:22:41Z",
    "title_canon_sha256": "6bb71b902b3bb1cea8edbbad809400786bd6da22a2daad58996181d933392964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01990",
    "kind": "arxiv",
    "version": 1
  }
}