Pith Number

pith:RY3GIRVD

pith:2019:RY3GIRVDCU42HZ74T2PJT4IWWM

not attested not anchored not stored refs pending

Enforcing Analytic Constraints in Neural-Networks Emulating Physical Systems

Jordan Ott, Michael Pritchard, Pierre Baldi, Pierre Gentine, Stephan Rasp, Tom Beucler

arxiv:1909.00912 v5 · 2019-09-03 · physics.comp-ph · physics.ao-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{RY3GIRVDCU42HZ74T2PJT4IWWM}

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	2026-07-05T02:21:32.967650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e366446a31539a3e7fc9e9e99f116b30889c2429b7257d5c3701462b4c7b39d

Aliases

arxiv: 1909.00912 · arxiv_version: 1909.00912v5 · doi: 10.48550/arxiv.1909.00912 · pith_short_12: RY3GIRVDCU42 · pith_short_16: RY3GIRVDCU42HZ74 · pith_short_8: RY3GIRVD

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/RY3GIRVDCU42HZ74T2PJT4IWWM \
  | 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: 8e366446a31539a3e7fc9e9e99f116b30889c2429b7257d5c3701462b4c7b39d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9375ab6b603e43c7d3ee5d15819b770e650d95ce5a909cda2aed2dbe2603f8b7",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-09-03T01:44:15Z",
    "title_canon_sha256": "4e52b1e76ca6f719c8a57766b7138002d0bb1abd56c037e7c680399978d97f5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00912",
    "kind": "arxiv",
    "version": 5
  }
}