Pith Number

pith:V64OHXHJ

pith:2018:V64OHXHJMMH3JN5FDBDAHKFE7E

not attested not anchored not stored refs pending

The Shifted-inverse Power Weak Galerkin Method for Eigenvalue Problems

Qilong Zhai, Ran Zhang, Xiaozhe Hu

arxiv:1803.09192 v1 · 2018-03-25 · 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{V64OHXHJMMH3JN5FDBDAHKFE7E}

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	2026-05-18T00:20:12.326442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afb8e3dce9630fb4b7a5184603a8a4f93b67c726ed7d9a21ea172ca5d9ba6c73

Aliases

arxiv: 1803.09192 · arxiv_version: 1803.09192v1 · doi: 10.48550/arxiv.1803.09192 · pith_short_12: V64OHXHJMMH3 · pith_short_16: V64OHXHJMMH3JN5F · pith_short_8: V64OHXHJ

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/V64OHXHJMMH3JN5FDBDAHKFE7E \
  | 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: afb8e3dce9630fb4b7a5184603a8a4f93b67c726ed7d9a21ea172ca5d9ba6c73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e2da02d02587541ecf9ebf8ab5a004a1975fc5d20a94cbf5299d23f72de6bab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-25T02:16:11Z",
    "title_canon_sha256": "c26c4352a2705c17af20091f17cc0321939e39ba7776ab0442e74385c95d5aa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09192",
    "kind": "arxiv",
    "version": 1
  }
}