Pith Number

pith:HILD72N2

pith:2018:HILD72N2Z66U7B46PJIZ5SFZIP

not attested not anchored not stored refs pending

Emulation of CPU-demanding reactive transport models: comparison of Gaussian processes, polynomial chaos expansion and deep neural networks

Diederik Jacques, Eric Laloy

arxiv:1809.07305 v2 · 2018-09-19 · physics.comp-ph · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HILD72N2Z66U7B46PJIZ5SFZIP}

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	2026-05-17T23:41:53.856424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a163fe9bacfbd4f879e7a519ec8b943e185b2ec1d7061b1c26f066309ccbd71

Aliases

arxiv: 1809.07305 · arxiv_version: 1809.07305v2 · doi: 10.48550/arxiv.1809.07305 · pith_short_12: HILD72N2Z66U · pith_short_16: HILD72N2Z66U7B46 · pith_short_8: HILD72N2

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/HILD72N2Z66U7B46PJIZ5SFZIP \
  | 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: 3a163fe9bacfbd4f879e7a519ec8b943e185b2ec1d7061b1c26f066309ccbd71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7081435a4b72d2c4cf0ba16e89eecabe34eb055dc5d9567523d76f4e8953f559",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-09-19T17:27:59Z",
    "title_canon_sha256": "84e621f0d67f4dcf82b07eef220f35f14bc40b50e3d9db5418a3b9a55f9e1818"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07305",
    "kind": "arxiv",
    "version": 2
  }
}