Pith Number

pith:NHEY3C2K

pith:2015:NHEY3C2KZ5QXDJTMNHFEBKGYKD

not attested not anchored not stored refs pending

Parallel Solution of the Linear Elasticity problem with Applications in Topology Optimization

Daniel Loghin, James Turner, Michal Kocvara

arxiv:1501.06211 v2 · 2015-01-25 · math.OC · 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{NHEY3C2KZ5QXDJTMNHFEBKGYKD}

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	2026-05-18T02:28:30.915384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c98d8b4acf6171a66c69ca40a8d850d628d405dc53a9f9122805b65729ae31

Aliases

arxiv: 1501.06211 · arxiv_version: 1501.06211v2 · doi: 10.48550/arxiv.1501.06211 · pith_short_12: NHEY3C2KZ5QX · pith_short_16: NHEY3C2KZ5QXDJTM · pith_short_8: NHEY3C2K

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/NHEY3C2KZ5QXDJTMNHFEBKGYKD \
  | 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: 69c98d8b4acf6171a66c69ca40a8d850d628d405dc53a9f9122805b65729ae31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f32a39189c1671b697252e8322a04d5db76106c8b9ae32b80ce9e971863f68",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-01-25T21:13:45Z",
    "title_canon_sha256": "65a5f41aba13cf7979cc51901aa6e79b0e88835124fcf8b0d8214ae1c23eadf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06211",
    "kind": "arxiv",
    "version": 2
  }
}