Pith Number

pith:DJBLVSMF

pith:2019:DJBLVSMFH5GEEZ2EBBU6KSS4Z6

not attested not anchored not stored refs pending

Learning to regularize with a variational autoencoder for hydrologic inverse analysis

Daniel O'Malley, John K. Golden, Velimir V. Vesselinov

arxiv:1906.02401 v1 · 2019-06-06 · physics.comp-ph · cs.LG · 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{DJBLVSMFH5GEEZ2EBBU6KSS4Z6}

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	2026-05-17T23:44:01.306167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a42bac9853f4c4267440869e54a5ccfbafc27a8817aa7021deee8e6e9c29620

Aliases

arxiv: 1906.02401 · arxiv_version: 1906.02401v1 · doi: 10.48550/arxiv.1906.02401 · pith_short_12: DJBLVSMFH5GE · pith_short_16: DJBLVSMFH5GEEZ2E · pith_short_8: DJBLVSMF

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/DJBLVSMFH5GEEZ2EBBU6KSS4Z6 \
  | 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: 1a42bac9853f4c4267440869e54a5ccfbafc27a8817aa7021deee8e6e9c29620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db558c3fa45d3b95b1fb22d77c535f0977d47c32b104120754e0afa30adacd8b",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-06-06T03:52:12Z",
    "title_canon_sha256": "1b887df2b1c41cfbb4aa0948134c55ba910b84e70e8752ef12ddee2d9f17d458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02401",
    "kind": "arxiv",
    "version": 1
  }
}