Pith Number

pith:C2JJ5PIP

pith:2023:C2JJ5PIP4OJZSPCIZSCYC7UB2W

not attested not anchored not stored refs pending

Physics-Informed Polynomial Chaos Expansions

Himanshu Sharma, Luk\'a\v{s} Nov\'ak, Michael D. Shields

arxiv:2309.01697 v1 · 2023-09-04 · cs.LG · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2JJ5PIP4OJZSPCIZSCYC7UB2W}

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	2026-07-05T06:47:41.890528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16929ebd0fe393993c48cc85817e81d5a3212c66416b4322649dfb69e0ce5c6f

Aliases

arxiv: 2309.01697 · arxiv_version: 2309.01697v1 · doi: 10.48550/arxiv.2309.01697 · pith_short_12: C2JJ5PIP4OJZ · pith_short_16: C2JJ5PIP4OJZSPCI · pith_short_8: C2JJ5PIP

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/C2JJ5PIP4OJZSPCIZSCYC7UB2W \
  | 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: 16929ebd0fe393993c48cc85817e81d5a3212c66416b4322649dfb69e0ce5c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5349c7dcc175ef021fbd621148622e4c9f606671a58ea1d3177eb4843d96bc8f",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-09-04T16:16:34Z",
    "title_canon_sha256": "c46b35e3fac3cdd032f8525d06f48b7d293c7d53c12ee211a9100224408e03e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.01697",
    "kind": "arxiv",
    "version": 1
  }
}