Pith Number

pith:7R3EWRXS

pith:2019:7R3EWRXS6JLG5E5GLSMUC6LCPK

not attested not anchored not stored refs pending

Generalized moving least squares and moving kriging least squares approximations for solving the transport equation on the sphere

Amirreza Khodadadian, Mehdi Dehghan, Thomas Wick, Vahid Mohammadi

arxiv:1904.05831 v1 · 2019-04-11 · 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{7R3EWRXS6JLG5E5GLSMUC6LCPK}

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	2026-05-17T23:48:48.299366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc764b46f2f2566e93a65c994179627a9f038a083212e0e07942de8b3dc1c5c6

Aliases

arxiv: 1904.05831 · arxiv_version: 1904.05831v1 · doi: 10.48550/arxiv.1904.05831 · pith_short_12: 7R3EWRXS6JLG · pith_short_16: 7R3EWRXS6JLG5E5G · pith_short_8: 7R3EWRXS

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/7R3EWRXS6JLG5E5GLSMUC6LCPK \
  | 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: fc764b46f2f2566e93a65c994179627a9f038a083212e0e07942de8b3dc1c5c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c394cf834b54d3b27c50afcfb18fd4f5fa969fdad4f4258a4c10cb7394fb28c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-11T16:36:01Z",
    "title_canon_sha256": "315d935ef8b167821e367f0b9ad7d5d92fb3695ff58cb4ad39eb270d4bdd0cfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05831",
    "kind": "arxiv",
    "version": 1
  }
}