Pith Number

pith:SJSYZYYQ

pith:2026:SJSYZYYQHF4XSW5YORE7IJVXAD

not attested not anchored not stored refs pending

On Improved Statistical Accuracy of Low-Order Polynomial Chaos Approximations

Raktim Bhattacharya, Vedang M. Deshpande

arxiv:2606.07912 v1 · 2026-06-06 · eess.SY · cs.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJSYZYYQHF4XSW5YORE7IJVXAD}

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	2026-06-09T01:04:55.225483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92658ce3103979795bb87449f426b700c3c686ac91e6cf5d2c585f3b7d5310b2

Aliases

arxiv: 2606.07912 · arxiv_version: 2606.07912v1 · doi: 10.48550/arxiv.2606.07912 · pith_short_12: SJSYZYYQHF4X · pith_short_16: SJSYZYYQHF4XSW5Y · pith_short_8: SJSYZYYQ

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/SJSYZYYQHF4XSW5YORE7IJVXAD \
  | 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: 92658ce3103979795bb87449f426b700c3c686ac91e6cf5d2c585f3b7d5310b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b4fc11d641a9ecc50749801595129691016426604b15c2003068e8a8fa1fe4",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-06-06T00:22:59Z",
    "title_canon_sha256": "4ae5d0fd89d83d25c4bdeffbef74500a1b12b469dd13ed2369874db600195a7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07912",
    "kind": "arxiv",
    "version": 1
  }
}