Pith Number

pith:JCVJ6NEO

pith:2020:JCVJ6NEOYLE4HV3HA7BBNOA2SB

not attested not anchored not stored refs pending

Explicit Estimation of Derivatives from Data and Differential Equations by Gaussian Process Regression

Hongqiao Wang, Xiang Zhou

arxiv:2004.05796 v2 · 2020-04-13 · stat.CO · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCVJ6NEOYLE4HV3HA7BBNOA2SB}

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	2026-07-05T01:41:17.637163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48aa9f348ec2c9c3d76707c216b81a904feb1810a3cd094de3cca70cffa15bff

Aliases

arxiv: 2004.05796 · arxiv_version: 2004.05796v2 · doi: 10.48550/arxiv.2004.05796 · pith_short_12: JCVJ6NEOYLE4 · pith_short_16: JCVJ6NEOYLE4HV3H · pith_short_8: JCVJ6NEO

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/JCVJ6NEOYLE4HV3HA7BBNOA2SB \
  | 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: 48aa9f348ec2c9c3d76707c216b81a904feb1810a3cd094de3cca70cffa15bff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c87a7d0294cc4fd536aae4b994090eae491a1db07858334d8f2fa9858230f2",
    "cross_cats_sorted": [
      "stat.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2020-04-13T07:08:02Z",
    "title_canon_sha256": "ccdd4def35447a5d9cea896931c9b7c9e823ae7a9ba134607712d0aa22c502a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05796",
    "kind": "arxiv",
    "version": 2
  }
}