Pith Number

pith:OU753XDD

pith:2020:OU753XDDRIX3IUTRXS5Q2CAO3V

not attested not anchored not stored refs pending

Probabilistic Gradients for Fast Calibration of Differential Equation Models

Andrew B. Duncan, Jon Cockayne

arxiv:2009.04239 v2 · 2020-09-03 · math.OC · cs.LG · cs.NA · math.NA · stat.CO · stat.ME · 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{OU753XDDRIX3IUTRXS5Q2CAO3V}

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

Full cross-correlation inversion for quantitative passive imaging with time-harmonic acoustic waves

Receipt and verification

First computed	2026-07-05T02:16:48.788589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

753fdddc638a2fb45271bcbb0d080edd7ec1ad6258132a05186a6a1f29355bd2

Aliases

arxiv: 2009.04239 · arxiv_version: 2009.04239v2 · doi: 10.48550/arxiv.2009.04239 · pith_short_12: OU753XDDRIX3 · pith_short_16: OU753XDDRIX3IUTR · pith_short_8: OU753XDD

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/OU753XDDRIX3IUTRXS5Q2CAO3V \
  | 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: 753fdddc638a2fb45271bcbb0d080edd7ec1ad6258132a05186a6a1f29355bd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "609f3cbe851f06551d9261e7160aa8f0fe1099d49c6997f8e3324ebe26bfa926",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "stat.CO",
      "stat.ME",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-09-03T10:35:09Z",
    "title_canon_sha256": "b94e6216c4a8392909447be4114e52f03af4778aa75170806c70fbe74e9879be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04239",
    "kind": "arxiv",
    "version": 2
  }
}