Pith Number

pith:NSDMQ2MJ

pith:2010:NSDMQ2MJUFJFBGRVNXSJX7IDEY

not attested not anchored not stored refs pending

A non-adapted sparse approximation of PDEs with stochastic inputs

Alireza Doostan, Houman Owhadi

arxiv:1006.2151 v1 · 2010-06-10 · math.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{NSDMQ2MJUFJFBGRVNXSJX7IDEY}

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	2026-05-18T02:06:54.895773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c86c86989a152509a356de49bfd03260d8f167e75d9c8ea574b2ea9df3b766e

Aliases

arxiv: 1006.2151 · arxiv_version: 1006.2151v1 · doi: 10.48550/arxiv.1006.2151 · pith_short_12: NSDMQ2MJUFJF · pith_short_16: NSDMQ2MJUFJFBGRV · pith_short_8: NSDMQ2MJ

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/NSDMQ2MJUFJFBGRVNXSJX7IDEY \
  | 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: 6c86c86989a152509a356de49bfd03260d8f167e75d9c8ea574b2ea9df3b766e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fdbe1b24e3d1e24dd032744c330c6ca1aef14b07310dc5fa65a1d55e4c4cc1f",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-06-10T21:01:53Z",
    "title_canon_sha256": "b03f3476458014b8cc2f420755a5f59169b49805d395e829b5491be563678c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2151",
    "kind": "arxiv",
    "version": 1
  }
}