Pith Number

pith:TLQYZI3L

pith:2019:TLQYZI3LZYKXK3RIRVVBXNGK4D

not attested not anchored not stored refs pending

An Extended Galerkin Analysis for Elliptic Problems

Jinchao Xu, Qingguo Hong, Shuonan Wu

arxiv:1908.08205 v2 · 2019-08-22 · math.NA · cs.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{TLQYZI3LZYKXK3RIRVVBXNGK4D}

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	2026-07-05T00:23:06.910406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ae18ca36bce15756e288d6a1bb4cae0cb05ce1f3b180e396c0e5e3132b4a77c

Aliases

arxiv: 1908.08205 · arxiv_version: 1908.08205v2 · doi: 10.48550/arxiv.1908.08205 · pith_short_12: TLQYZI3LZYKX · pith_short_16: TLQYZI3LZYKXK3RI · pith_short_8: TLQYZI3L

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/TLQYZI3LZYKXK3RIRVVBXNGK4D \
  | 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: 9ae18ca36bce15756e288d6a1bb4cae0cb05ce1f3b180e396c0e5e3132b4a77c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb932debcfa78306ceab649599ec70f0c209affa048f0e830f78fe55745a7976",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-22T05:24:44Z",
    "title_canon_sha256": "2f8bb72fac79903c93f4023504b28e90f88e2250d85f50df6ff2e73f588aa27c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08205",
    "kind": "arxiv",
    "version": 2
  }
}