Pith Number

pith:Z3PHBK3C

pith:2018:Z3PHBK3CTKXLELMMKXTP3K5JZK

not attested not anchored not stored refs pending

GPU-Accelerated Particle Methods for Evaluation of Sparse Observations for PDE-Constrained Inverse Problems

Jeff Borggaard, Justin A. Krometis, Nathan E. Glatt-Holtz

arxiv:1808.10580 v1 · 2018-08-31 · 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{Z3PHBK3CTKXLELMMKXTP3K5JZK}

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	2026-05-17T23:45:36.862734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cede70ab629aaeb22d8c55e6fdaba9ca9488edab87e094bd36044276f46747a2

Aliases

arxiv: 1808.10580 · arxiv_version: 1808.10580v1 · doi: 10.48550/arxiv.1808.10580 · pith_short_12: Z3PHBK3CTKXL · pith_short_16: Z3PHBK3CTKXLELMM · pith_short_8: Z3PHBK3C

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/Z3PHBK3CTKXLELMMKXTP3K5JZK \
  | 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: cede70ab629aaeb22d8c55e6fdaba9ca9488edab87e094bd36044276f46747a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a88484e960e37f5946dfaab8eff3baf3d00fcec5d81b55d540f07911f9bd74a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-31T03:05:49Z",
    "title_canon_sha256": "2964cf9e1b8d4411c53232d50ee200987208a9faf0caeeeef9d38441d731f03e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10580",
    "kind": "arxiv",
    "version": 1
  }
}