Pith Number

pith:YPXURT2W

pith:2023:YPXURT2WYXNBAL77TI433J4B7X

not attested not anchored not stored refs pending

Sample-efficient Surrogate Model for Frequency Response of Linear PDEs using Self-Attentive Complex Polynomials

Andrew Cohen, Beidi Chen, Jan-Ove Mattsson, Jiang Zhu, Kevin Stone, Peter Renner, Slawomir Koziel, Weiping Dou, Xiaomeng Yang, Yuandong Tian

arxiv:2301.02747 v3 · 2023-01-06 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPXURT2WYXNBAL77TI433J4B7X}

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	2026-07-05T05:38:10.670836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ef48cf56c5da102fff9a39bda781fdc09e5a5df4d38a6799ef15e7bd44017f

Aliases

arxiv: 2301.02747 · arxiv_version: 2301.02747v3 · doi: 10.48550/arxiv.2301.02747 · pith_short_12: YPXURT2WYXNB · pith_short_16: YPXURT2WYXNBAL77 · pith_short_8: YPXURT2W

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/YPXURT2WYXNBAL77TI433J4B7X \
  | 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: c3ef48cf56c5da102fff9a39bda781fdc09e5a5df4d38a6799ef15e7bd44017f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a3421045b3c09f0489f02c773a0eaa0c6272d4e0bf33e912c122f594729bba5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-01-06T23:32:07Z",
    "title_canon_sha256": "9e41011d6ee8eb717fcd232dd71280a68f82e176cbe76809d0075a033b27dbca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.02747",
    "kind": "arxiv",
    "version": 3
  }
}