Pith Number

pith:JNO3XQD6

pith:2018:JNO3XQD6BAJFWOE65WA3NEEGKN

not attested not anchored not stored refs pending

Numerical Aspects for Approximating Governing Equations Using Data

Dongbin Xiu, Kailiang Wu

arxiv:1809.09170 v1 · 2018-09-24 · math.NA · cs.LG · cs.NA · math.DS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNO3XQD6BAJFWOE65WA3NEEGKN}

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	2026-06-04T20:13:22.751630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b5dbbc07e08125b389eed81b69086534670005b503f5f1123b0d28664dab4d1

Aliases

arxiv: 1809.09170 · arxiv_version: 1809.09170v1 · doi: 10.48550/arxiv.1809.09170 · pith_short_12: JNO3XQD6BAJF · pith_short_16: JNO3XQD6BAJFWOE6 · pith_short_8: JNO3XQD6

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/JNO3XQD6BAJFWOE65WA3NEEGKN \
  | 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: 4b5dbbc07e08125b389eed81b69086534670005b503f5f1123b0d28664dab4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3a84f52dfd9f362efad9d7d113310688645567bf5c0b7402c71c28cefc7a09",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-24T19:11:32Z",
    "title_canon_sha256": "d2e6cfaae1dd3f490c99fe10b0dcaaec68916fcb2cfc53d4ddae82e33447eefe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09170",
    "kind": "arxiv",
    "version": 1
  }
}