Pith Number

pith:ZS5UXFYQ

pith:2019:ZS5UXFYQVO4ZWYB3OMBS5HQIMH

not attested not anchored not stored refs pending

Representing ill-known parts of a numerical model using a machine learning approach

Anastase Charantonis, J\'er\^ome Sirven, Julien Brajard

arxiv:1903.07358 v1 · 2019-03-18 · physics.data-an · 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{ZS5UXFYQVO4ZWYB3OMBS5HQIMH}

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	2026-05-17T23:51:01.642087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccbb4b9710abb99b603b73032e9e0861ce6d9225c39afb629ccf692174371db6

Aliases

arxiv: 1903.07358 · arxiv_version: 1903.07358v1 · doi: 10.48550/arxiv.1903.07358 · pith_short_12: ZS5UXFYQVO4Z · pith_short_16: ZS5UXFYQVO4ZWYB3 · pith_short_8: ZS5UXFYQ

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/ZS5UXFYQVO4ZWYB3OMBS5HQIMH \
  | 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: ccbb4b9710abb99b603b73032e9e0861ce6d9225c39afb629ccf692174371db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a661c317ba206491c3478d3a58801c1d26480180da557575ec837bbe4cce7deb",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2019-03-18T10:52:39Z",
    "title_canon_sha256": "89508ddea21c63cc576ede6c037c2247da4c8e6abb869de32d8f66068b28f729"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07358",
    "kind": "arxiv",
    "version": 1
  }
}