Pith Number

pith:G2DGOGUR

pith:2015:G2DGOGUR5AUPEWYUJSPH45LC57

not attested not anchored not stored refs pending

Fast multilevel solvers for a class of discrete fourth order parabolic problems

Bin Zheng, Jinchao Xu, Long Chen, Luoping Chen, Ricardo H. Nochetto, Xiaozhe Hu

arxiv:1511.05917 v2 · 2015-11-18 · 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{G2DGOGUR5AUPEWYUJSPH45LC57}

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	2026-05-18T01:20:01.135080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3686671a91e828f25b144c9e7e7562efe93f9e86e214313776c7a34d579f5590

Aliases

arxiv: 1511.05917 · arxiv_version: 1511.05917v2 · doi: 10.48550/arxiv.1511.05917 · pith_short_12: G2DGOGUR5AUP · pith_short_16: G2DGOGUR5AUPEWYU · pith_short_8: G2DGOGUR

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/G2DGOGUR5AUPEWYUJSPH45LC57 \
  | 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: 3686671a91e828f25b144c9e7e7562efe93f9e86e214313776c7a34d579f5590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3760a8b21e80f74157ad5c04a727cc4a65698d3aee84f58170d0f745e253d4ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-18T19:30:52Z",
    "title_canon_sha256": "86cb0203acbc5db63f8569eeb61d46809cd9481f7d4adc0a44e8267c6488230d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05917",
    "kind": "arxiv",
    "version": 2
  }
}