Pith Number

pith:HPJYOABR

pith:2023:HPJYOABROAJIRCWSO6ZOPOF5QL

not attested not anchored not stored refs pending

Fourier Features for Identifying Differential Equations (FourierIdent)

Hao Liu, Mengyi Tang, Sung Ha Kang, Wenjing Liao

arxiv:2311.16608 v1 · 2023-11-28 · math.NA · cs.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{HPJYOABROAJIRCWSO6ZOPOF5QL}

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.

Cited by

1 paper in Pith

Stoch-IDENT: New Method and Mathematical Analysis for Identifying SPDEs from Data

Receipt and verification

First computed	2026-07-05T07:17:43.908183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd38700317012888ad277b2e7b8bd82fc0a54d230e9c48a52ab801565997b9d

Aliases

arxiv: 2311.16608 · arxiv_version: 2311.16608v1 · doi: 10.48550/arxiv.2311.16608 · pith_short_12: HPJYOABROAJI · pith_short_16: HPJYOABROAJIRCWS · pith_short_8: HPJYOABR

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/HPJYOABROAJIRCWSO6ZOPOF5QL \
  | 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: 3bd38700317012888ad277b2e7b8bd82fc0a54d230e9c48a52ab801565997b9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9385826db22c7569cf84b8dd329465d72d51e9e3b37b35ec0dcbcf2d2797ff66",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-11-28T08:54:00Z",
    "title_canon_sha256": "b39bc5abb51bf9a0b95a08cd0a9991742e2a41a28bdb071ef675ab7cc25dfe2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.16608",
    "kind": "arxiv",
    "version": 1
  }
}