Pith Number

pith:JQYMNYVT

pith:2009:JQYMNYVTDHR34FDFANLVWKEJ33

not attested not anchored not stored refs pending

Robust multigrid preconditioners for the high-contrast biharmonic plate equation

Burak Aksoylu, Zuhal Yeter

arxiv:0910.0487 v1 · 2009-10-02 · math.NA · cs.NA · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQYMNYVTDHR34FDFANLVWKEJ33}

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	2026-06-03T23:06:29.460888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c30c6e2b319e3be146503575b2889dece1544106016fee954f00602dad8b3f3

Aliases

arxiv: 0910.0487 · arxiv_version: 0910.0487v1 · doi: 10.48550/arxiv.0910.0487 · pith_short_12: JQYMNYVTDHR3 · pith_short_16: JQYMNYVTDHR34FDF · pith_short_8: JQYMNYVT

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/JQYMNYVTDHR34FDFANLVWKEJ33 \
  | 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: 4c30c6e2b319e3be146503575b2889dece1544106016fee954f00602dad8b3f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f268fd438eca0a5137d965b20a0fa2d231de97c7f4f14f78384d3cf551bc8795",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-10-02T21:12:42Z",
    "title_canon_sha256": "0e5a3cca10a466cb84c181b71be63e13d324e8297c0114a0fde45c124f725448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0487",
    "kind": "arxiv",
    "version": 1
  }
}