Pith Number

pith:652TESEN

pith:2019:652TESEN5ODII6H3ATE5KQGYOF

not attested not anchored not stored refs pending

Constraint-Aware Neural Networks for Riemann Problems

Christian Rohde, Deep Ray, Jan S. Hesthaven, Jim Magiera

arxiv:1904.12794 v1 · 2019-04-29 · physics.comp-ph · cs.NA · math.NA · 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{652TESEN5ODII6H3ATE5KQGYOF}

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	2026-06-04T20:14:27.999461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f77532488deb868478fb04c9d540d87175c67c7a785315a6bafb92874fad08bd

Aliases

arxiv: 1904.12794 · arxiv_version: 1904.12794v1 · doi: 10.48550/arxiv.1904.12794 · pith_short_12: 652TESEN5ODI · pith_short_16: 652TESEN5ODII6H3 · pith_short_8: 652TESEN

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/652TESEN5ODII6H3ATE5KQGYOF \
  | 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: f77532488deb868478fb04c9d540d87175c67c7a785315a6bafb92874fad08bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26e2c321e535db4cdadccbedfe250a3a66680013e454f9cdf49a7e2251d82678",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-04-29T16:15:44Z",
    "title_canon_sha256": "77667bb3ffbcea66a711c2476ca899408902fa5edf0da7cd7b8c411223ccb49a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12794",
    "kind": "arxiv",
    "version": 1
  }
}